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Learn all O words, Meaning and their Example in English

2 Here is the word list along with their meanings and example sentences: Word Meaning Example Sentence Oi An informal exclamatio...

O Words



2

Here is the word list along with their meanings and example sentences:

Word Meaning Example Sentence
Oi An informal exclamation used to get attention Oi! Stop doing that!
Ok Abbreviation of "okay," used to express agreement or acknowledgment Ok, I'll meet you at 5 PM.
On Preposition indicating position or direction, or used to describe something happening The book is on the table.
Op Short for "operation," typically used in medical or military contexts The doctor is preparing for the op.
Or A conjunction used to indicate a choice or alternative Do you want coffee or tea?
Ox A large domesticated animal, typically used as a draft animal The ox pulled the heavy cart.
Oz Abbreviation for ounces, or used informally to refer to Australia He gained 5 oz in weight." / "I’m planning a trip to Oz.

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Here’s a word list with their meanings and example sentences in separate columns:

Word Meaning Example Sentence
One A single unit or thing. He is the one who helped me.
Out Moving from inside to outside. She went out for a walk.
Our Belonging to or associated with the speaker and others. This is our house.
Off Moving away or away from something. Please turn the lights off.
Own Belonging to oneself. I own a car.
Old Having lived for a long time. She is an old friend of mine.
Oil A viscous liquid that is extracted from plants or animals. I need some oil for the engine.
Odd Strange or unusual. It was an odd thing to say.
Oak A large tree with acorns. The oak tree stood tall in the park.
Ore A mineral from which metal is extracted. The mine yielded a lot of ore.
Opt To make a choice. You can opt for the chocolate cake.
Owe To be under obligation to pay or repay. I owe you ten dollars.
Owl A nocturnal bird known for its ability to rotate its head. The owl hooted in the night.
Ooh An expression of surprise or admiration. Ooh, that's amazing!
Ole An informal or colloquial expression of delight. Ole, what a game!
Oft Frequently, often. He often goes to the gym.
Orb A spherical object. The moon is an orb in the sky.
Orc A mythical creature often depicted as monstrous and aggressive. The orc charged at the adventurers.
Ode A lyrical poem, often expressing feelings. He wrote an ode to the setting sun.
Ohm A unit of electrical resistance. The circuit had a resistance of five ohms.
Oar A tool used for rowing a boat. He paddled the boat with a wooden oar.
Obi A broad sash worn with traditional Japanese garments. She tied the obi around her waist.
Oat A type of grain used in food products. I had oatmeal for breakfast.
Oke A variant of the word 'oak,' used in some dialects. The oke tree was centuries old.
Ova Plural of ovum, the female reproductive cell. The biologist studied the ova under the microscope.
Oca A root vegetable, similar to a potato. They harvested oca from the garden.
Ora A term used for the outer boundary or sphere of energy surrounding a person. She was surrounded by a bright ora of calm.
Oba A title for a king in some African kingdoms. The oba ruled with wisdom.
Ort A scrap or small piece of food left after a meal. The dog ate the leftover orts from the table.
Ope To open. She went to ope the door slowly.
Oaf A clumsy or foolish person. The oaf knocked over the vase.
Oud A type of stringed instrument from the Middle East. He played a tune on the oud.
Oho An exclamation of surprise. Oho! Look at that!
Ohs Plural of 'oh,' an exclamation of surprise or emotion. She made a few 'ohs' when she saw the gift.
Oes Plural of 'oe,' a Scottish word meaning 'grandmother.' My oes used to tell me stories.
Oka A traditional headscarf worn in some cultures. She wore an oka to the ceremony.
Obe A member of the royal family in some African cultures. The obe presided over the ceremony.
Oda A room or chamber, often used in historical contexts. She entered the grand oda to meet the king.
Ods Plural of 'odd,' referring to strange occurrences. There were many ods in the village.
Ors Plural of 'or,' a connector used in choices. He couldn't decide between the ors.
Ose A type of flower, particularly a rose. The ose bloomed in the garden.
Oot A Scottish word for 'out.' They went oot for a walk.
Oms Plural of 'om,' a sacred sound or mantra in Hinduism. They chanted the oms during meditation.
Ono A Hawaiian dish made with raw fish. I had ono for dinner last night.
Ons Plural of 'on,' referring to something in operation. The lights were left ons all night.
Ops Short for 'operations' or a term used to express a mistake. The ops went smoothly in the morning.
Oxo A brand name of stock cubes used for cooking. I added an oxo cube to the soup.
Oxy A prefix referring to oxygen or a compound containing oxygen. The oxy molecule is essential for breathing.

Let me know if you need further adjustments or additions!

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Here's the formatted table with words, their meanings, and examples:

Word Meaning Example
Only Without others or anything further. She was the only person to arrive on time.
Over Extending directly upward or across. The airplane flew over the city.
Open Not closed or blocked. She left the window open for fresh air.
Once One time only. I have only been there once.
Onto Moving to a location on a surface. The cat jumped onto the table.
Oral Relating to the mouth or spoken communication. She had an oral examination at the dentist.
Okay Expressing agreement or acceptance. It’s okay to start without me.
Odds The chances or probability of something happening. The odds of winning the lottery are low.
Ours Belonging to us. This house is ours.
Oven An enclosed space used for baking or roasting. She baked the cake in the oven.
Oval Shaped like an elongated circle. The table has an oval top.
Obey To follow rules or commands. You must obey the traffic laws.
Odor A distinctive smell, often unpleasant. The odor of garlic filled the kitchen.
Otto A male given name. Otto is the new manager of the team.
Oath A solemn promise or declaration. He took an oath to serve the country.
Opus A creative work, especially in music or literature. Beethoven's Opus 9 is a masterpiece.
Oily Covered with or resembling oil. The surface felt oily to the touch.
Omit To leave out or exclude. She decided to omit the unnecessary details.
Onus A burden or responsibility. The onus is on him to prove his innocence.
Oops An expression of surprise or apology for a mistake. Oops! I spilled the coffee.
Onyx A semiprecious stone with bands of color. The necklace was made of black onyx.
Oust To remove or expel someone from a position. The board voted to oust the chairman.
Omen A sign or event regarded as a portent of future events. The dark clouds were seen as an omen of bad weather.
Ouch An exclamation expressing pain. Ouch! That hurt!
Orgy An unrestrained indulgence in an activity, often sexual. The play depicted an ancient Roman orgy.
Ovum A female reproductive cell or egg. The ovum is fertilized by the sperm cell.
Opal A gemstone that reflects a spectrum of colors. She wore a beautiful opal ring.
Ooze To flow or seep slowly. The juice began to ooze out of the bag.
Oxen Plural of ox, a domesticated bovine used for work. The farmers used oxen to plow the fields.


Word Meaning Example
Oboe A woodwind instrument with a double reed. She played a melody on the oboe.
Omer A unit of measure in ancient Israel. The omer of grain was presented as an offering.
Orca A large black-and-white marine mammal, also known as a killer whale. The orca leaped gracefully out of the water.
Otic Relating to the ear. The doctor prescribed otic drops for the infection.
Oryx A type of antelope with long, straight horns. The oryx is found in the deserts of Africa.
Ogre A mythical monster often depicted as large and frightening. The story described an ogre living in a cave.
Ogle To stare at someone in an amorous or flirtatious way. He couldn’t help but ogle at the beautiful painting.
Okra A green vegetable with edible pods. She prepared a dish with okra and tomatoes.
Obit A short form of obituary, a notice of someone's death. He read his friend's obit in the newspaper.
Ordo A list or calendar of religious services. The ordo outlined the events for the week.
Olea A genus of trees and shrubs, including the olive tree. The olea species is vital in Mediterranean agriculture.
Ouzo A Greek alcoholic drink flavored with anise. They enjoyed a glass of ouzo after dinner.
Ossa Plural of os, meaning bones. The ossa of the skeleton were carefully arranged.
Orzo A type of pasta shaped like rice grains. She added orzo to the soup for texture.
Orts Scraps of food left after a meal. The dog eagerly ate the orts from the table.
Ogee An S-shaped curve, often used in architecture. The ogee arches were a feature of the Gothic design.
Oink The sound made by a pig. The pigs oinked happily in the pen.
Oast A kiln for drying hops. The farmer used an oast to prepare the hops for brewing.
Osar A ridge of sand or gravel left by a glacier. The hikers climbed over the osar in the valley.
Oleo A spread made from vegetable oils, like margarine. She spread oleo on her toast instead of butter.
Olio A mixture or medley of different things. The meal was an olio of various cuisines.
Olla A type of clay pot used for cooking. The stew simmered in an olla over the fire.
Orra Leftover or odd items. The shopkeeper sold orra goods at a discount.
Ogam An ancient Celtic alphabet. The stone was inscribed with ogam characters.
Oyez A call for attention, used by town criers. The crier shouted "Oyez, oyez" to begin the announcement.
Oozy Slimy or wet, oozing liquid. The ground was oozy after the heavy rain.
Opah A large, colorful ocean fish. The fisherman was excited to catch an opah.
Ofay A slang term for a white person, often considered offensive. The term "ofay" was used in some older texts.
Obol An ancient Greek coin or unit of weight. He found an obol among the ruins.
Odea Ancient Greek or Roman buildings used for performances. The odea hosted both music and poetry readings.
Orle A decorative border around a shield. The knight’s shield had an orle of gold.
Oses Plural of ose, used in chemistry to denote sugars. The study focused on different oses found in fruits.
Ouds A stringed musical instrument of Middle Eastern origin. The musician played a beautiful tune on the oud.
Ouph A mischievous spirit or elf. The ouph in the story caused trouble for the villagers.
Oped A written article expressing opinions. She wrote an oped for the newspaper on climate change.
Oots Scottish slang for "out." He cried, "Oots ye go!" to the intruder.
Oohs Expressions of amazement or admiration. The crowd let out oohs at the fireworks display.
Onos Plural of ono, meaning a type of fish also known as wahoo. The market was selling fresh onos.
Ones The plural of one, referring to single entities. She picked the red ones from the basket.
Orcs Mythical creatures, often depicted as brutish in fantasy stories. The orcs marched through the forest in the novel.


WordMeaningExample
OresMinerals or rocks from which metal can be extracted.The miners discovered rich ores in the mountain.
OrbyRound or spherical in shape.The orby moonlight illuminated the forest.
OrbsSpherical objects, often used to describe celestial bodies.The stars looked like glowing orbs in the night sky.
OptsMakes a choice or decision.She opts to stay home instead of going out.
OradToward the mouth or oral region.The medicine was applied orad for better absorption.
OpesOpens or reveals.He opes the chest to find hidden treasures.
OdesPoems or songs of praise or dedication.The poet composed odes to nature.
OdicRelating to odes or having a lyrical quality.The composition had an odic beauty.
OdahA type of temporary shelter or tent.They rested in the odah during their journey.
OdasPlural of odah, temporary shelters or tents.The campsite had several odas for visitors.
OdylA hypothetical force or energy in mystical theories.The healer believed in the power of odyl.
ObisBroad sashes worn around the waist in Japanese attire.She tied the obis tightly around her kimono.
ObiaA folk magic practice in the Caribbean.The legend spoke of an obia woman with mystical powers.
OcasA type of edible root vegetable.Ocas are a staple in Andean cuisine.
OarsPoles with flat ends used for rowing a boat.He pulled the oars through the water steadily.
OakyHaving the flavor or smell of oak wood, often in wines.The wine had a distinct oaky aroma.
OaksLarge, sturdy trees known for their strong wood.The old oaks shaded the park.
OafsClumsy or unintelligent people.The oafs stumbled around, causing laughter.
ObesPlural of obe, meaning "object of belief or reverence."The religious obes were displayed in the temple.
ObasAfrican kings or tribal chiefs, especially in Nigeria.The oba presided over the festival.
OatsA cereal grain used in food and feed.She eats oats for breakfast every morning.
OffsSlang for killing or eliminating someone.The gang planned to offs their rival leader.
OilsLiquids extracted from plants, animals, or minerals used for cooking or lubrication.She used essential oils for aromatherapy.
OhedExclaimed "oh" in surprise or realization.She ohed when she finally understood the puzzle.
OhmsUnits of electrical resistance.The circuit had a resistance of 10 ohms.
OlesCheers or cries of approval, especially in Spanish.The crowd shouted oles during the bullfight.
OldsRefers to old people or things.The olds in the family shared stories of the past.
OldySomething old or from the past.That song is a real oldy but a goody.
OkasA unit of weight in some Mediterranean countries.The vendor sold fruit by the oka.
OkehAn older spelling of "okay," expressing approval.He replied with an enthusiastic "okeh!"
OkesA casual slang for "okay."He gave a thumbs-up and said, "Okes, let’s go!"

Would you like me to proceed with the remaining words or make adjustments to the format?

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Word English Meaning Example
Other Refers to something different or additional. The other book is on the shelf.
Often Frequently; many times. She often goes for a walk.
Order An arrangement or sequence; a directive. I placed an order for pizza.
Offer To present or propose something for acceptance. He offered his assistance.
Occur To happen or take place. The event occurred last week.
Ought Indicates duty or correctness; should. You ought to apologize to her.
Ocean A vast body of salt water covering Earth. We sailed across the ocean.
Outer Situated on the outside. The outer layer is waterproof.
Opera A dramatic work set to music. We attended an Italian opera.
Organ A part of the body that performs a specific function. The heart is a vital organ.
Onset The beginning of something. The onset of winter is near.
Olive A small, oval fruit used for oil and eating. I added olives to the salad.
Optic Related to vision or the eye. He consulted an optic specialist.
Ozone A gas found in the Earth's atmosphere. The ozone layer protects us.
Orbit The path of an object around another. The moon orbits the Earth.
Ounce A unit of weight equal to 1/16 of a pound. I need an ounce of sugar.
Oxide A compound of oxygen with another element. Iron oxide forms on rusted metal.
Onion A bulbous plant used as a vegetable. She chopped an onion for the soup.
Overt Done openly or visibly. The attack was overt and deliberate.
Owing To be in debt or obligated. She is still owing money to the bank.
Oasis A fertile spot in a desert. We found an oasis in the desert.
Omega The last letter of the Greek alphabet; the end. This marks the omega of the series.
Ortho Relating to straightness or correctness. She studied orthodontics.
Obese Excessively overweight. The doctor advised the obese patient to lose weight.
Otter A playful aquatic mammal. We spotted an otter by the river.
Opium A narcotic drug obtained from poppies. Opium was historically used for pain relief.
Oiled Lubricated with oil. He oiled the squeaky hinges.
Odour A smell, especially a strong one. The odour of fresh paint filled the room.
Odeon A theatre or concert hall. We watched a play at the odeon.
Ovary A female reproductive organ. The ovary produces eggs.
Olden Relating to the past or ancient times. Stories of the olden days fascinate her.
Outdo To surpass or excel. She outdid everyone in the competition.
Ochre A natural earth pigment of yellow or brown. The artist used ochre for the painting.
Octal Relating to the number system with base 8. The code was written in octal format.
Oriel A large bay window projecting from a wall. The oriel in the living room adds elegance.
Oleic Relating to or derived from oil. Oleic acid is found in olive oil.
Opine To express an opinion. She opined that the movie was excellent.
Offal The internal organs of animals used as food. The recipe calls for offal.
Ovoid Egg-shaped or oval. The sculpture has an ovoid shape.
Oomph Energy or vitality. She added oomph to her performance.
Outre Unusual or eccentric. His attire was quite outre for the event.
Ostia Small openings or orifices. Ostia are found in many sponges.
Orris The root of a plant used in perfumes. Orris root adds a floral note to scents.
Oldie Something or someone old. That song is an oldie but a goodie.
Okapi A rare mammal resembling a giraffe. The okapi lives in the African rainforest.
Ology A branch of knowledge or science. Biology is my favorite ology.
Objet An object, especially one of artistic value. She admired the objet on the shelf.
Orang Short for orangutan, a large ape. The orang swung gracefully in the trees.
Octet A group of eight things. The orchestra performed an octet.
Oxbow A U-shaped bend in a river. The oxbow lake is now a wildlife reserve.
Ocker An Australian slang term. The film's dialogue was very ocker.
Ocher Alternate spelling of ochre. She used ocher for the artwork.
Octyl Related to a group of eight carbon atoms. Octyl compounds are used in perfumes.
Odium General or widespread hatred. His actions brought him public odium.
Oiler A ship designed to carry oil. The oiler docked at the port.
Outgo Expenditure or spending. His outgo exceeded his income.
Oleum A solution of sulfur trioxide in sulfuric acid. Oleum is used in industrial processes.
Ovine Relating to sheep. The farmer studied ovine diseases.
Ombre A gradual blending of one color to another. She wore an ombre dress.
Orate To speak formally or pompously. He orated at the ceremony.
Osier A willow tree used for basket weaving. The craftsman used osier for the basket.
Ontic Relating to real existence or being. The philosopher discussed ontic reality.
Obeah A system of spiritual practices in the Caribbean. He learned about obeah in Jamaica.
Odeum A small theatre in ancient Greece or Rome. The ruins of the odeum are well preserved.
Ottar A fragrant essential oil. She used ottar in her homemade perfumes.
Ormer A type of marine mollusk. Ormer shells are highly valued.
Oread A mountain nymph in Greek mythology. The oread was a symbol of nature's beauty.
Owlet A young owl. We spotted an owlet in the tree.
Oxime A chemical compound containing the group =NOH. Oximes are used in chemical analysis.
Osmic Relating to osmium or its compounds. Osmic acid is a strong oxidizing agent.
Oater A Western movie. They enjoyed watching an old oater.
Oakum Loose fiber used in caulking ships. The carpenter used oakum for sealing.
Oribi A small antelope found in Africa. The oribi is known for its agility.
Ossia A musical term for an alternative passage. The pianist chose the ossia version.
Opsin A protein in the eye that helps in vision. Opsins are critical for color perception.
Ogive A pointed arch in Gothic architecture. The cathedral's ogives are stunning.
Ovule A plant structure that develops into a seed. The ovule matures after fertilization.
Ovate Egg-shaped, typically in reference to leaves. The plant has ovate leaves.
Orach A leafy vegetable similar to spinach. Orach is a nutritious addition to salads.
Onlay A dental restoration that fits over a tooth. The dentist recommended an onlay for the molar.
Oaten Made from oats. She baked oaten cookies.
Ogham An ancient Celtic alphabet. Ogham inscriptions are found in Ireland.
Ouzel A type of blackbird. We spotted an ouzel near the stream.
Ovolo A rounded architectural molding. The ovolo design adds elegance to the column.
Olein A liquid fat found in natural oils. Olein is used in soap making.
Orlop The lowest deck of a ship. The orlop deck was used for storage.
Oncet Dialect for "once." She tried it just oncet.
Ootid An egg cell during its development. The ootid eventually becomes an ovum.
Obeli Marks used in ancient manuscripts. The scholar noted the obeli in the text.
Ocrea A sheath around a plant stem. The plant's ocrea protects its stem.
Octad A group of eight. The council was divided into an octad.
Ousel Another term for blackbird. The ouzel sang sweetly at dawn.
Oxlip A yellow-flowered plant related to primroses. The field was full of blooming oxlips.
Oxter Archaic term for armpit. He carried the book under his oxter.
Oxeye A type of daisy flower. The meadow was covered with oxeyes.
Oxids Plural of oxide, compounds of oxygen and another element. The lab tested various oxids.
Oxims Plural of oxime, a chemical compound. Oxims are used in various chemical processes.
Owned Possessed or held as property. She owned several rare books.
Owner A person who possesses something. The owner of the car was notified.
Owsen A dialect word for oxen. The farmer tended to his owsen.

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Here's the wordlist with English meanings and examples, following your request:

Word Meaning Example
Office A room or building where people work. She works in a large office in the city center.
Option A choice or alternative. You have the option to choose between tea or coffee.
Obtain To get or acquire something. I was able to obtain the necessary documents.
Output The amount of something produced or the result of a process. The factory's output increased by 20% last year.
Online Connected to or available through the internet. He did all his shopping online during the sale.
Object A thing that can be seen or touched, but is not living. She picked up the object and examined it carefully.
Oxford A prestigious university in the UK. He graduated from Oxford University with honors.
Orange A citrus fruit, or the color between red and yellow. She drank a glass of fresh orange juice.
Offset To counterbalance or compensate for something. The increased expenses were offset by higher sales.
Origin The point at which something begins or is created. The origin of the river is in the mountains.
Oracle A person or thing that gives wise or prophetic advice. The ancient oracle predicted the outcome of the battle.
Oxygen A chemical element essential for breathing and combustion. Plants produce oxygen through photosynthesis.
Occupy To take up space or time, or to live in a place. They occupy the top floor of the building.
Oppose To resist or be against something. Many people oppose the new law.
Outlet A means of expressing or releasing something, or a retail store. The outlet mall offers great discounts.
Outset The start or beginning of something. From the outset, we knew it would be a challenging project.
Outfit A set of clothes worn together, or to provide someone with a set of clothes. She wore a stylish outfit to the party.
Opener A device used to open something, or the beginning of an event. He used a can opener to open the tuna.
Outing A trip or excursion, especially for a specific purpose. They went on a weekend outing to the countryside.
Optics The study of light and its interactions, or the way something is perceived. The optics of the situation made it seem worse than it actually was.
Ordeal A painful or difficult experience. The journey through the desert was an ordeal for the travelers.
Overly To an excessive degree. She was overly concerned about the presentation.
Opaque Not transparent, or difficult to understand. The glass was opaque, making it impossible to see through.
Orient To position or align something, or to familiarize oneself with something. The map helped me orient myself in the new city.
Outlay The amount of money spent on something. The initial outlay for the project was significant.
Outcry A strong expression of public anger or disapproval. There was an outcry when the new tax was announced.
Orphan A child whose parents are deceased, or someone who has lost one or both parents. She became an orphan after her parents died in the accident.
Onward Moving forward or continuing. The group marched onward despite the rain.
Oyster A type of shellfish, or something valuable hidden inside. She opened the oyster to find a pearl.
Offend To insult or hurt someone’s feelings. His comments were meant to offend, and they did.
Outlaw A person who breaks the law, or to make something illegal. The government decided to outlaw the use of plastic bags.
Ornate Decorated with intricate or elaborate designs. The ornate frame added elegance to the painting.
Occult Secret or mysterious, especially related to supernatural phenomena. He studied occult practices in ancient cultures.
Orchid A type of flowering plant with colorful blooms. She gave her mother a beautiful orchid for her birthday.
Oblige To make someone feel indebted or to do something as a favor. I would be happy to oblige if you need any help.
Octave A series of eight notes in music or a doubling of frequency. The song spans two octaves.
Oeuvre The complete works of an artist or writer. His oeuvre includes a variety of novels and essays.
Orgasm The climax of sexual excitement, often involving a release of tension. They were both happy to share an intimate moment of connection.
Opioid A drug related to opium, often used for pain relief. The doctor prescribed an opioid for her severe pain.
Oddity Something strange or unusual. His behavior was an oddity in the otherwise normal gathering.
Ocular Relating to the eyes. He had an ocular condition that required surgery.
Outage A period of time when something is not functioning, such as power or service. There was a power outage that lasted several hours.
Octane A measure of the quality of fuel or its ability to resist knocking. The car requires high-octane fuel for better performance.
Osprey A large bird of prey, often found near water. The osprey hovered above the lake, looking for fish.
Offing The near future, or the act of killing someone. He could sense that trouble was in the offing.
Orator A skilled public speaker. The orator captivated the audience with his eloquent speech.
Overdo To do something to an excessive degree. She didn’t want to overdo it at the gym and risk injury.
Odious Extremely unpleasant or repulsive. The odious smell of rotten food filled the room.
Oblong An object with a rectangular shape or longer than it is wide. The table was oblong and could seat eight people.
Obtuse Not sharp, or lacking quickness or perception. His obtuse comments showed he didn’t understand the situation.
Opiate A type of drug derived from opium, used for pain relief. The patient was given an opiate for post-surgery pain.
Olefin A type of synthetic fiber used in clothing. The chair's upholstery was made from durable olefin fabric.
Ostomy A medical procedure to create an opening in the body. After the surgery, he required an ostomy to help with digestion.
Outrun To run faster or further than someone or something. The cheetah can outrun any other land animal.
Outwit To defeat or trick someone using cleverness or intelligence. He managed to outwit his opponents with a clever strategy.
Outbid To offer a higher price for something than someone else. She outbid the other buyers and won the auction.
Optima The best or most effective condition. This solution represents the optima for the company's needs.
Otitis Inflammation of the ear. She was diagnosed with otitis after complaining of ear pain.
Ouster The act of removing someone from a position or place. The board voted for the ouster of the CEO due to poor performance.
Ordain To officially make someone a priest or to decree something. The bishop will ordain the new priest next week.
Oriole A brightly colored bird, usually yellow or orange. The oriole sang its sweet song from the tree branch.
Oblast A political subdivision in some countries, especially in Russia. The oblast is governed by a regional administration.
Obsess To preoccupy or dominate someone’s thoughts excessively. She tends to obsess over minor details when planning events.
Ornery A variant spelling of "ornery," meaning irritable or grumpy. He’s an ornery old man who dislikes being disturbed.
Omelet A dish made from beaten eggs, usually with other ingredients. She made a spinach and cheese omelet for breakfast.
Outhit To hit something harder or better than someone else. The batter managed to outhit his competitor during the match.
Oedema Swelling caused by excess fluid in the body’s tissues. The doctor prescribed medication to treat the oedema in his legs.
Onside In football, when a player is positioned correctly according to the rules. The player was onside when the ball was passed to him.
Outdid Past tense of outdo, meaning to perform better than someone. She outdid everyone at the competition with her unique design.
Oodles A large quantity or number of something. They had oodles of fun at the amusement park.
Oleate A salt or ester of oleic acid, often used in medicine. The lotion contained oleate to help moisturize the skin.
Offish Distant or reserved in manner. He had an offish attitude towards the new employees.
Outran Past tense of outrun, meaning to run faster than someone or something. The athlete outran all the competitors in the race.
Ostler A person who cares for horses at an inn or stable. The ostler led the horse to the stable after the long journey.
Oilman A person involved in the oil industry. The oilman made a fortune from drilling in the offshore fields.
Oculus The round opening at the top of a dome or a part of the eye. The oculus of the building allowed natural light to pour inside.
Oocyte An immature egg cell. The doctor examined the oocyte for signs of fertility.
Oblate A flat or rounded body shape, or a person devoted to religious life. The oblate shape of the moon was clearly visible last night.
Operon A group of genes that work together to regulate metabolic processes. The operon regulates the production of certain proteins in cells.
Ostium A small opening, especially in anatomy or biology. The ostium of the heart allows blood to flow through valves.
Osmium A chemical element, dense and blue-grey in color. Osmium is one of the densest elements on Earth.
Ocelot A wild cat found in Central and South America. The ocelot stalked silently through the jungle.
Oxtail The tail of an ox, used in cooking. She made a delicious oxtail stew for dinner.
Outbox A box for sending out mail or messages, or the area where a boxer fights. He sent the letters from the outbox at the post office.
Otiose Serving no practical purpose, or lazy. The otiose argument wasted everyone’s time.
Octavo A size of a book page, typically one of eight. The book was printed in octavo format for portability.
Onrush A sudden forward movement or surge. The onrush of water from the flood was overwhelming.
Ovonic Related to the Ovonic phase-change memory, or a type of material. The ovonic technology is used in advanced computer memory systems.
Oocyst A stage in the life cycle of certain parasites, such as malaria. The oocyst develops in the liver before being released into the bloodstream.
Owlish Resembling or characteristic of an owl, especially in appearance. She had an owlish expression as she studied the ancient texts.
Oolong A type of Chinese tea that is partially fermented. He drank a cup of oolong tea after dinner.
Osmose The process by which molecules pass through a semipermeable membrane. Water moves through the cell membrane by osmose.
Outfox To outwit or trick someone. She managed to outfox her competitors with a clever strategy.
Ormolu A gold-colored alloy of copper, used for decorative purposes. The ormolu clock was a prized possession in the antique collection.
Oolite A type of sedimentary rock composed of small, spherical grains. The beach was covered with oolite, making the sand feel soft.
Oompah A type of rhythm used in music, often associated with brass bands. The oompah music added to the festive atmosphere of the event.
Ordure Filth or refuse, especially something unpleasant. The alley was filled with ordure, making the area unbearable.
Ossify To become rigid or set in one’s ways, or to turn into bone. His opinions began to ossify after years of following the same routine.
Octopi The plural of octopus, referring to multiple octopuses. The octopi glided gracefully through the water.
Orrery A mechanical model of the solar system. The orrery in the museum demonstrated the movements of the planets.

7

Here is the list of words along with their meanings and examples as per your request:

Word Meaning Example
Officer A person holding a position of authority in an organization. The police officer gave us directions to the nearest station.
Outside The external side or surface of something. We decided to sit outside to enjoy the fresh air.
Overall Considering everything or all factors. Overall, the meeting was productive.
Opening The act of making something accessible or the beginning of something. The opening of the new store attracted a large crowd.
Operate To control or manage something, especially machinery. He learned how to operate the new software program.
Opinion A personal view, belief, or judgment about something. In my opinion, this movie is the best of the year.
Obvious Easily perceived or understood; clear. It was obvious that she was upset after the argument.
Outcome The result or effect of an action or event. The outcome of the game was a draw.
Outlook A person's attitude towards life or the future, or the view from a particular place. Her outlook on life is always positive.
Ongoing Continuing without interruption. The ongoing construction work caused traffic delays.
Offense A breach of a law or rule; a criminal act. He was arrested for committing a serious offense.
Organic Produced or involving production without artificial chemicals. She prefers to buy organic vegetables from the local market.
Optical Related to or using sight or light. The optical illusion made it look like the lines were moving.
Outdoor Activities, events, or places that are outside, in the open air. We planned an outdoor picnic by the lake.
Optimal The best or most effective condition. The optimal temperature for growing tomatoes is between 70 and 85 degrees Fahrenheit.
Outline A general description or plan that shows the essential features of something. The professor asked us to outline our main arguments before starting the essay.
Observe To watch something carefully in order to learn more about it. She likes to observe the birds in her garden with binoculars.
Optimum The best or most effective level or condition. The optimum speed for the car is 60 miles per hour.
Oversee To supervise or manage an operation or activity. She was hired to oversee the new department.
Offline Not connected to or not using the internet. The system will be offline for maintenance from midnight to 3 AM.
Obscure Not clear or hard to understand. The meaning of the ancient manuscript was obscure to the scholars.
Overlap To cover part of something else; to share a common area or feature. The two shifts overlap for about an hour.
Orderly Neat, organized, or arranged in a regular manner. The office was orderly and free of clutter.
Outrage A strong reaction of anger or shock, often in response to unfair treatment. There was widespread outrage over the decision to cut funding for education.
Oneself Refers to the person being discussed. She had to remind herself to take a break and relax.
Outward Relating to the external appearance or form. His outward appearance did not reflect his true feelings.
Orchard An area of land planted with fruit trees. The apple orchard was in full bloom during spring.
Obesity The condition of being excessively overweight, often to the point of health problems. Obesity can lead to serious health conditions like diabetes.
Offence A violation of a law, rule, or duty; also, an insult or affront. He committed a serious offense when he broke into the building.
Overdue Something that has not been done by the expected time. The library book is overdue, and we need to return it immediately.
Onshore Referring to something located on land as opposed to at sea. The oil company is looking to expand its onshore operations.
Oceanic Relating to the ocean. The oceanic currents affect global weather patterns.
Ominous Giving the impression that something bad or unpleasant is going to happen. The dark clouds in the sky had an ominous look to them.
Orbital Relating to or moving in an orbit. The satellite is in an orbital path around the Earth.
Odyssey A long and adventurous journey or series of experiences. Their trip across Europe was an unforgettable odyssey.
Obscene Offensive or disgusting by accepted standards of morality. The movie was banned for its obscene content.
Onerous Involving a great deal of effort or difficulty; burdensome. The paperwork for the new project was too onerous to complete in one day.
Ovation An enthusiastic show of approval, usually in the form of applause. The actor received a standing ovation after his performance.
Overlay A layer of material placed on top of another, or a superimposed image. The overlay on the map showed the flood zones.
Outflow The movement of something, especially liquids or gases, out of an area. The outflow of water from the dam was carefully controlled.
Ottoman A piece of furniture, often used as a footstool or for storage. She sat on the ottoman while reading her book.
Omnibus A volume containing several works, or a bus designed to carry passengers. The politician introduced an omnibus bill to address multiple issues at once.
Onstage Referring to the part of a theater or performance venue where actors perform. The actor performed his monologue onstage with great emotion.
Oblique Not directly stated or not straightforward; slanted or angled. Her oblique comments left everyone confused about her true feelings.
Overrun To exceed the expected or allocated limit; to spread beyond a boundary. The cost of the project has overrun its budget.
Onboard On or into a ship, aircraft, or other vehicle. All passengers are now onboard for the flight.
Outpost A small settlement or station in a remote area. The explorers set up an outpost at the edge of the desert.
Oversaw Past tense of oversee; to supervise or manage. She oversaw the entire project from start to finish.
Outcrop A visible exposure of rock or earth's surface. The geologist studied the rock outcrop in the mountain range.
Ovarian Relating to the ovaries, the female reproductive organs. She was diagnosed with an ovarian cyst.
Octopus A marine animal with eight tentacles. The octopus camouflaged itself to avoid predators.
Obligor A person or entity that is bound to fulfill an obligation or duty. The obligor must repay the debt by the agreed-upon date.
Opulent Wealthy or luxurious, often used to describe lavish surroundings. The opulent mansion had a grand ballroom and sparkling chandeliers.
Outcast A person who has been rejected or excluded from a group. He was considered an outcast after the scandal.
Outback Remote, rural areas, especially in Australia. The family took a road trip to explore the Australian outback.
Offload To unload or remove something, especially from a vehicle. The workers offloaded the goods from the truck.
Oatmeal A type of soft food made from oats, often eaten as breakfast. She had a bowl of oatmeal with honey for breakfast.
Ostrich A large, flightless bird native to Africa. The ostrich is the fastest bird on land.
Outpace To move faster than someone or something else; to surpass. She managed to outpace her competitors in the race.
Oratory The art of public speaking, especially in a formal or eloquent manner. His oratory skills impressed everyone at the conference.
Osmosis The movement of water or other substances through a membrane from an area of lower to higher concentration. Osmosis is a fundamental process in biology.
Offbeat Unusual, unconventional, or not conforming to the norm. His offbeat humor made him popular among his friends.
Obviate To eliminate or prevent a problem or need. The new security system should obviate the need for manual checks.
Octagon A polygon with eight sides and angles. The table was in the shape of an octagon.
Offside A position in soccer or other games where a player is penalized for being in the wrong place. The goal was disallowed because the player was offside.
Opacity The quality of being opaque; not allowing light to pass through. The opacity of the glass prevented us from seeing inside the building.
Oneness The state of being united or in harmony. The group achieved a sense of oneness during the team-building activity.
Overuse The excessive or improper use of something. The overuse of smartphones can lead to eye strain.
Ordinal Relating to the order or position of something in a sequence. He was given the ordinal number 5 in the competition.
Oddball A person or thing that is unconventional or unusual. His oddball ideas always made him stand out in meetings.
Offhand Done without preparation or thought; casual. She made an offhand comment about the weather during the meeting.
Orifice An opening or hole in the body or in an object. The doctor examined the nasal orifice to check for blockages.
Outlast To last longer than something or someone else. The durable materials used in the construction will help the building outlast storms.
Outgrow To grow or develop beyond a certain size, stage, or phase. The child eventually outgrew his toys.
Oregano A herb commonly used in cooking, especially in Mediterranean and Italian dishes. She sprinkled fresh oregano on the pizza for extra flavor.
Oilseed A type of seed grown for the oil that can be extracted from it. Soybeans are one of the most common oilseeds used in food production.
Oxidase An enzyme that catalyzes oxidation reactions. The oxidase enzyme is involved in the metabolism of various substances.
Outlive To live longer than someone or something else. She outlived her husband by several years.
Oedipal Relating to or deriving from the Oedipus complex in psychoanalysis. He displayed oedipal tendencies in his relationship with his mother.
Oppress To keep someone in subjugation by force or authority. The regime sought to oppress the free press.
Organon A system of principles or methods in a particular field. The philosopher developed a new organon for logical reasoning.
Overage An excess or surplus, particularly in the context of stock or inventory. The company had to discount the overage of unsold merchandise.
Olive A small fruit from the olive tree, often used to make oil. She added olives to the salad for extra flavor.
Orbiter A spacecraft or satellite designed to orbit a celestial body. The orbiter successfully entered Mars' orbit after several months.
Outsize Larger than usual or standard size. The outsize shoes were too big for me to wear comfortably.
Overran Past tense of overrun; to overflow or exceed a limit. The river overran its banks during the storm.
Overpay To pay more than is necessary or required. He accidentally overpaid the bill by $20.
Outgrew Past tense of outgrow; to grow beyond something. The child outgrew his favorite toy.
Operant In behavioral psychology, a type of behavior that is modified by reinforcement or punishment. Operant conditioning helps explain how animals learn tasks.
Oxidize To undergo a chemical reaction in which a substance combines with oxygen. Iron can oxidize when exposed to moisture, leading to rust.
Oration A formal speech, especially one delivered on a special occasion. The president gave an oration at the ceremony.
Obelisk A tall, four-sided, narrow tapering monument with a pyramidion on top. The ancient Egyptians built obelisks to honor their gods.
Obverse The opposite or counterpart of something; the front side of a coin or medal. The obverse of the coin features a portrait of the queen.
Oxidant A substance that causes oxidation, often a chemical compound. Oxygen is an oxidant that causes metals to rust.
Odorous Having a strong smell. The odorous flowers filled the garden with fragrance.
Outlier A person or thing that lies outside the normal or expected range. The student's score was an outlier compared to the rest of the class.
Origami The Japanese art of folding paper to create shapes, often models of animals or objects. She made a beautiful origami crane for her friend’s birthday.
Outsell To sell more than someone or something else. The new phone model is expected to outsell the previous version.
Omicron The 15th letter of the Greek alphabet; also a name used in various contexts. Omicron was the name of a COVID-19 variant.
Operand A value or variable used in a mathematical operation or computation. In the equation, both operands must be correctly calculated for an accurate result.

8

Here’s the list of words along with their meanings and examples as requested:

Word Meaning Example
Offering A thing offered, especially as a gift or contribution. He made an offering of flowers to the temple.
Original Present or existing from the beginning; first. The original manuscript was displayed in the museum.
Official Relating to an authority or public body. The official report will be released next week.
Ordinary With no special or distinctive features; normal. She prefers to lead an ordinary life without any fanfare.
Opposite Situated or placed in a way that is as far from something as possible. The shop is located on the opposite side of the street.
Overseas In or to a foreign country, especially one across the sea. She plans to study overseas next year.
Operator A person who operates equipment or machinery. The operator of the crane needs to be licensed.
Overcome To successfully deal with a problem or difficulty. She overcame her fear of public speaking.
Occasion A particular time or instance of an event. It was a special occasion when they celebrated their anniversary.
Overhead Above or at a higher level, especially in the sky or on the ceiling. The plane flew overhead at a high altitude.
Overview A general summary or survey of something. The professor gave an overview of the course before starting the lectures.
Offshore Located or happening at sea, far from the shore. They have an offshore oil drilling operation.
Optional Available to be chosen but not compulsory. Taking the extra workshop is optional for students.
Organize To arrange or structure something systematically. They will organize a meeting to discuss the project.
Opponent A person who competes or fights against another in a contest or argument. He faced a tough opponent in the final match.
Observer A person who watches something without taking part. The observer noted the details of the event.
Optimism Hopefulness and confidence about the future. Her optimism helped the team to keep pushing forward.
Overtime Time worked beyond the regular working hours. He worked overtime to complete the project before the deadline.
Outbreak A sudden occurrence of something, such as a disease or conflict. The outbreak of the flu caused many schools to close early.
Outright Completely or immediately, without hesitation. She won the competition outright with her amazing performance.
Orthodox Following traditional or established practices. He follows the orthodox methods of teaching.
Obstacle A thing that blocks one’s way or prevents progress. The fallen tree was an obstacle on the road.
Outgoing Friendly and social; also, leaving a position or place. She is an outgoing person who enjoys meeting new people.
Obsolete No longer in use or outdated. The old technology has become obsolete in today's market.
Organism A living thing, such as an animal or plant. A virus is an organism that can infect humans.
Outdoors In or to the open air; outside. They love spending their weekends outdoors, hiking and camping.
Overhaul To examine and repair something thoroughly. The mechanic decided to overhaul the engine for better performance.
Oriental Relating to the East, especially East Asia. They admired the oriental art displayed in the gallery.
Outreach The act of extending services, assistance, or influence. The organization runs outreach programs to help underprivileged communities.
Optimize To make something as effective or functional as possible. The company aims to optimize its website for better user experience.
Outsider A person who is not part of a particular group or community. He felt like an outsider at the party because he didn’t know anyone.
Overlook To fail to notice or consider something; to look at from a higher position. She overlooked the important detail in the report.
Outdated No longer current or relevant; old-fashioned. The outdated software is no longer supported by the company.
Omission The action of leaving something out or neglecting it. His omission of key facts made the report incomplete.
Offender A person who commits an illegal act. The offender was caught and arrested by the police.
Outbound Moving or traveling away from a particular place, often a home base. The outbound flight departs at 8 AM.
Overcame To have successfully dealt with or defeated something. She overcame the challenges of her difficult childhood.
Overflow To spill over or exceed its limits. The bathtub overflowed after the tap was left running.
Outweigh To be greater in importance or significance than something else. The benefits of the new policy outweigh its potential drawbacks.
Overload To load with too much of something, especially beyond capacity. The circuit breaker shut down due to an overload of electrical current.
Override To cancel or reject a decision or action. The president chose to override the veto in the final decision.
Oncology The branch of medicine concerned with the study and treatment of tumors. He specialized in oncology and treated patients with cancer.
Overturn To reverse or change a decision or ruling. The Supreme Court decided to overturn the lower court’s decision.
Ordnance Military weapons and ammunition. The army used heavy ordnance to defend the border.
Overland Traveling over land, rather than by sea or air. They went on an overland journey across the desert.
Outburst A sudden release of strong emotion or energy. Her outburst of anger surprised everyone at the meeting.
Occupant A person who occupies a space or property. The previous occupant of the house left it in perfect condition.
Outlying Situated far from the center or main area. They live in an outlying village far from the city.
Overdose Taking an excessive amount of a substance, often leading to harm. The patient suffered an overdose of painkillers.
Oblivion The state of being unaware or unconscious of what is happening. The country fell into oblivion after the empire collapsed.
Overture An introduction to something, especially in music or a broader context. The overture to the play set the tone for the performance.
Overtake To catch up with and pass someone or something. The runner managed to overtake his competitors in the final lap.
Obituary A notice of someone's death, often with a short biography. The newspaper published his obituary after his passing.
Ornament A decoration, often used for a special occasion or holiday. They decorated the tree with colorful ornaments for Christmas.
Oncoming Approaching or coming closer, especially from the opposite direction. The oncoming traffic made it difficult to merge onto the highway.
Obedient Willing to comply with orders or requests. The dog was obedient to its owner’s commands.
Outmoded No longer in style or use; outdated. The outmoded technology was replaced with new, faster systems.
Overlaid To cover something with a layer or covering. The fabric was overlaid with intricate embroidery.
Obstruct To block or prevent the movement or progress of something. The fallen tree obstructed the path in the forest.
Operatic Relating to opera; dramatic and extravagant in style. Her operatic performance was the highlight of the show.
Offshoot A thing that has developed from something else. The new company was an offshoot of the original tech startup.
Overtook To pass someone or something, especially in a race or competition. He overtook his rival in the final minutes of the race.
Outfield The area of a field farthest from the batter in baseball. The ball was hit deep into the outfield.
Optimist A person who believes in or expects a positive outcome. As an optimist, she always sees the bright side of things.
Overhang A part of something that hangs over something else. The roof has a large overhang to protect from the rain.
Organist A person who plays the organ, especially in a church. The organist played a beautiful melody during the service.
Outboard Referring to a motor or equipment mounted outside the hull of a boat. They attached the outboard motor to the boat before setting sail.
Overcoat A long coat worn over other clothing for warmth. He wore a thick overcoat to protect against the cold winter wind.
Oxymoron A figure of speech where two contradictory terms are used together. "Deafening silence" is an example of an oxymoron.
Ointment A smooth, oily substance used on the skin for medical purposes. She applied ointment to the wound for relief.
Overkill The use of more force or resources than necessary. The response was an overkill for the minor issue.
Overcast Cloudy or covered by clouds. The sky was overcast, so we decided to postpone the picnic.
Overpass A bridge or roadway that passes over another road or obstacle. The car went under the overpass as the train passed overhead.
Onscreen Referring to what appears on a screen, such as a television or computer. The actor's performance was stunning onscreen.
Overseer A person who supervises others, often in work settings. The overseer monitored the progress of the construction project.
Odorless Lacking a smell; without odor. The chemical is completely odorless and safe to use.
Overdone Cooked or done too much; excessively or overly elaborate. The steak was overdone and tough.
Outstrip To surpass or go beyond something or someone. Her performance outstripped that of all other competitors.
Offstage Not on the stage; behind the scenes. The actor was offstage waiting for his cue.
Obliging Willing to do a service or favor; helpful. The obliging waiter brought us extra napkins without being asked.
Overrule To reject or cancel a decision or judgment. The judge decided to overrule the objection from the defense attorney.
Oversize Larger than the standard or normal size. They had to order an oversize couch for the living room.
Ontology The branch of philosophy that studies the nature of being. He studied ontology to understand the concept of existence.
Opulence Great wealth or luxuriousness. The palace was filled with opulence, from golden chandeliers to velvet curtains.
Overwork To work too much or beyond capacity. She had to take a break after a period of overwork.
Obsidian A naturally occurring volcanic glass. The tool was made of obsidian, sharp and smooth.
Onlooker A person who watches an event or activity but does not participate. The onlookers cheered as the runner crossed the finish line.
Outsmart To outwit or be more clever than someone else. He managed to outsmart his opponent with a clever strategy.
Operable In a state or condition that allows it to be used or operated. The machine was operable after a quick repair.
Outhouse A small building with an outdoor toilet. They had to use the outhouse because the main house bathroom was under renovation.
Overhear To hear something without intending to or without the speaker knowing. She accidentally overheard the conversation between her friends.
Overlord A ruler or sovereign, especially one with authority over multiple regions. The overlord ruled over several neighboring kingdoms.
Outscore To score more points than another person or team. Their team outscored all their rivals in the tournament.
Oncogene A gene that can cause cancer when mutated. Researchers are studying how the oncogene activates in certain cells.
Overheat To become too hot, often leading to damage. The engine started to overheat during the long drive.
Overrode To have decided against or reversed something previously decided. The CEO overrode the decision to cut costs by laying off employees.
Operetta A light and humorous musical play. The operetta was filled with lively music and witty dialogue.
Obligate To bind legally or morally; to compel. He was obligated to pay the fines as required by law.
Ordinate To arrange or order systematically. The librarian will ordinate the books by genre.
Overleaf On the other side of a page. The information you need is on the overleaf of the document.


9

Here is the list with the meanings and examples as requested:

Word Meaning Example
Operation An act or process of working or functioning. The operation of the new machine was flawless.
Otherwise In a different way or manner; if not. You must leave, otherwise, the doors will be locked.
Ownership The state of having control over something. The ownership of the property was transferred last month.
Objective A goal or target that one aims to achieve. The objective of the project is to reduce waste.
Ourselves Refers to the speakers, used as the object of a verb or preposition. We should take care of ourselves.
Organized Arranged or structured in a systematic way. She is very organized and always keeps her workspace neat.
Offensive Causing someone to feel hurt, angry, or upset. His offensive remarks upset everyone at the meeting.
Overnight Lasting or happening for one night. We stayed overnight at the hotel.
Outsource To obtain goods or services from an external source. The company decided to outsource its customer service to reduce costs.
Orchestra A large group of musicians playing together. The orchestra performed a beautiful symphony.
Occupancy The act of living or being in a space or place. The building has 90% occupancy rate this month.
Offspring A person's child or a young of an animal. Their offspring were playing in the garden.
Objection An expression or feeling of disapproval. She raised an objection to the proposal during the meeting.
Operative Functioning or working; a person who works for a specific purpose. The operative of the company is to increase productivity.
Oversight An unintentional failure to notice or do something. The delay was due to an oversight in scheduling.
Obsession The state of being obsessed with something or someone. Her obsession with collecting antiques grew over the years.
Originate To begin or start something. The tradition originated in ancient Rome.
Obedience The act of following rules or instructions. The dog showed great obedience to its owner.
Outskirts The outer parts or edges of a city or town. They live on the outskirts of the city, far from the hustle and bustle.
Outspoken Direct and clear in expressing opinions, especially if they are controversial. He was outspoken about the need for environmental change.
Overthrow To remove from power, especially by force. The rebels attempted to overthrow the government.
Onslaught A violent attack or a large quantity of something. The town faced an onslaught of criticism after the decision was announced.
Ordinance A law or regulation made by a government or authority. The new ordinance prohibits smoking in public places.
Outerwear Clothing worn outdoors, especially over other clothes. She bought a new coat and other outerwear for the winter season.
Obsessive Relating to an obsession, often in a repetitive or unhealthy manner. His obsessive thoughts about work kept him awake all night.
Orthodoxy A generally accepted theory, doctrine, or practice. He adheres strictly to religious orthodoxy.
Oblivious Not aware or concerned about what is happening around you. She was oblivious to the fact that the meeting had started.
Overdraft A deficit in a bank account caused by drawing more money than the account holds. The account was hit with an overdraft fee due to insufficient funds.
Oxidation The chemical reaction of a substance with oxygen, often resulting in rust or tarnish. The oxidation of iron leads to the formation of rust.
Obscurity The state of being unknown or unimportant. He was an artist who lived in obscurity until he became famous.
Overwhelm To overpower or affect deeply in a way that is difficult to handle. She was overwhelmed by the amount of work she had to do.
Overboard To go beyond a limit, or to fall off a ship. They threw all the excess cargo overboard to lighten the ship.
Overdrive A high-performance mode that increases efficiency, often in machines. The car engine went into overdrive on the highway.
Ombudsman A person who investigates complaints and mediates in disputes. The ombudsman helped resolve the dispute between the customers and the company.
Orphanage A home or institution for children whose parents are deceased or unable to care for them. The orphanage took care of many children from the surrounding area.
Obscenity Offensive behavior or language, often illegal in nature. The film was banned for its obscene content.
Outnumber To be greater in number than something or someone else. The opposition party outnumbered the supporters of the government.
Opportune Timely and favorable for action. The moment was opportune for launching the new product.
Obnoxious Extremely unpleasant or offensive. His obnoxious behavior made everyone uncomfortable at the party.
Outgrowth A result or consequence of a particular event or process. The increase in pollution was an outgrowth of industrial growth.
Observant Quick to notice things, especially details that others may miss. The observant child noticed the bird's nest in the tree.
Outwardly In a way that is visible or external, not necessarily reflecting the inner state. Outwardly, he seemed calm, but inside he was nervous.
Overstock To have more of something than is needed or required. The store had overstocked its shelves with winter clothing.
Occlusion The blockage or closing off of something, particularly a passage or opening. The occlusion of the artery caused severe health complications.
Otherness The quality of being different or distinct, especially in a way that makes one feel excluded. The concept of otherness is often discussed in cultural studies.
Obstetric Related to childbirth and the care of women giving birth. Obstetric care includes prenatal visits and delivery support.
Overblown Exaggerated or inflated in size or importance. His overblown reaction to the situation only made things worse.
Obstinate Stubbornly refusing to change one's opinion or course of action. She remained obstinate in her decision, despite all the advice.
Overstate To describe or explain something in an exaggerated manner. Don't overstate the importance of this meeting.
Octagonal Having eight sides or angles. The table was octagonal, with equal-length sides.
Olfactory Related to the sense of smell. The olfactory senses are crucial for identifying different scents.
Obtrusive Noticeable in a way that is unpleasant or unwelcome. His obtrusive comments made the conversation awkward.
Oligarchy A form of government in which power is concentrated in the hands of a few people or families. The country was ruled by a small oligarchy of wealthy elites.
Overpower To defeat or control with great strength or force. The guards tried to overpower the intruders but failed.
Outermost Furthest from the center; farthest away. The outermost planets of the solar system are icy and distant.
Orthotics Devices used to support or correct the alignment of the body, especially the feet or legs. He wore custom orthotics to relieve foot pain.
Optometry The profession or practice of examining and correcting vision. She studied optometry to become a licensed optometrist.
Occlusive Tending to block or close off an opening or passage. The occlusive nature of the film kept moisture in.
Overshoot To go beyond or exceed a target or goal. The rocket overshot its target and crashed into the ocean.
Oscillate To swing back and forth in a regular rhythm or motion. The fan began to oscillate, cooling the room.
Officiate To perform the duties of an official, especially in sports or ceremonies. The referee will officiate the soccer match tomorrow.
Obstinacy The quality of being stubborn and unyielding. His obstinacy led him to ignore helpful advice.
Ostracism The act of excluding or banishing someone from a group or society. Ostracism can lead to deep emotional and psychological effects.
Overspend To spend more money than is available or necessary. The company overspent on marketing this quarter.
Oestrogen A hormone responsible for female reproductive development. Oestrogen levels rise during the menstrual cycle.
Overwrite To replace existing data or information with new content. Be careful not to overwrite the file you just created.
Ovenproof Resistant to heat and able to withstand being used in an oven. This dish is made of ovenproof material.
Overreact To respond more intensely or emotionally than is appropriate. She tends to overreact to small problems.
Outrigger A structure on the side of a boat or ship used for stability. The outrigger helped prevent the boat from tipping over in rough waters.
Occipital Relating to the back part of the head or skull. The occipital lobe controls visual processing.
Officious Excessively eager to offer unwanted help or advice. His officious behavior at the meeting annoyed everyone.
Obfuscate To deliberately make something unclear or confusing. The technical jargon served to obfuscate the real issue.
Orangutan A large ape native to Southeast Asia with reddish-brown fur. The orangutan swung from tree to tree in the jungle.
Oncogenic Related to the development of cancer. The oncogenic virus was identified as the cause of the tumor.
Orientate To adjust or align to a particular position or direction. We need to orientate the new employee to our office procedures.
Oxygenate To supply or saturate with oxygen. The doctor used a mask to oxygenate the patient after surgery.
Obeisance A gesture of respect or deference, often in the form of a bow. He gave obeisance to the king before speaking.
Oligopoly A market structure dominated by a small number of firms. The industry is an oligopoly, with only a few major companies controlling it.
Overreach To stretch beyond one's abilities or powers. The company attempted to overreach by expanding too quickly.
Oxycodone A powerful prescription painkiller used to treat moderate to severe pain. Oxycodone should only be used as prescribed by a doctor.
Overbuild To construct more buildings or structures than are necessary or useful. They overbuilt the area, leading to empty buildings.
Oxacillin A type of antibiotic used to treat bacterial infections. The doctor prescribed oxacillin to treat the infection.
Orgiastic Relating to excessive, wild, or unrestrained behavior, often in a sexual or celebratory context. The orgiastic celebration lasted for days.
Objectify To treat someone or something as an object rather than as a person or individual. The film was criticized for objectifying women.
Outlander A person who comes from a foreign country or distant region. He felt like an outlander in the foreign city, unable to understand the culture.
Osteopath A medical practitioner who specializes in diagnosing and treating musculoskeletal disorders. She visited the osteopath for treatment of her back pain.
Oxygenase An enzyme that adds oxygen to molecules in biochemical processes. The oxygenase plays a key role in the breakdown of certain substances in the body.
Overeager Too eager or enthusiastic, often leading to negative consequences. His overeager attempts to impress the boss backfired.
Offscreen Referring to anything that occurs outside the view of the camera or stage. The actor's voice was heard offscreen in the final scene.
Overspill The act of spilling over the sides of a container, or overflow of people or things. The overspill of water flooded the streets.
Ostracize To exclude someone from a group or society. He was ostracized by his peers after the incident.
Oversexed Having excessive or exaggerated sexual desires or behaviors. The film was criticized for its oversexed portrayal of relationships.
Outdoorsy Enjoying outdoor activities such as hiking, camping, or sports. She has an outdoorsy personality, always going on hikes and adventures.
Offertory The portion of a church service where offerings or donations are collected. The offertory was held after the sermon.
Olfaction The sense of smell. Olfaction plays a major role in our ability to enjoy food.
Overprint To print something over existing print, often as a secondary image or design. The designer used a bold color for the overprint on the fabric.
Ophiolite A section of the Earth's oceanic crust that has been uplifted and exposed above sea level. The ophiolite complex contains valuable geological data.
Occultism The study or practice of mystical, supernatural, or magical beliefs and phenomena. Occultism often involves rituals and beliefs in the supernatural.
Oddsmaker A person who sets the odds for gambling events. The oddsmaker predicted a close game between the two teams.
Outspread Spread out, often over a large area. The tents were outspread across the field for the festival.

10

Here is the word list with their meanings and examples:

Word Meaning Example
Obligation A duty or commitment She felt an obligation to help her friends.
Originally In the beginning; at first Originally, they planned to travel to France.
Opposition Resistance or disagreement The opposition to the proposal was strong.
Occurrence An event or incident The occurrence of the earthquake surprised everyone.
Occasional Happening from time to time She has occasional headaches.
Occupation A job or profession Her occupation as a teacher brings her joy.
Outfielder A player in baseball who plays in the outfield The outfielder caught the ball in the final inning.
Outrageous Shockingly bad or excessive The prices at the restaurant were outrageous.
Outpatient A patient who receives treatment without being admitted to a hospital She is an outpatient for her treatment.
Oppression Cruel or unjust treatment The oppression of the minority group is evident.
Overriding More important than other considerations The overriding issue is safety.
Overweight Above a healthy weight He is overweight due to his unhealthy eating habits.
Ordinarily Normally, usually Ordinarily, she wakes up at 7 AM.
Oppressive Harsh or difficult to endure The oppressive heat made it difficult to work.
Ornamental Decorative rather than functional The vase was purely ornamental.
Ordination The act of making someone a priest or minister His ordination was a significant event in the church.
Observance The act of following or complying with rules or customs The observance of traditions is important in their culture.
Observable Capable of being seen or noticed The changes in the sky were observable from the mountain top.
Outperform To perform better than others The team managed to outperform their rivals.
Obligatory Required by law or rules Attending the meeting is obligatory for all staff members.
Oftentimes Frequently or many times Oftentimes, we go to the park on weekends.
Ophthalmic Relating to the eyes She went to the ophthalmic specialist for an eye exam.
Obstetrics The branch of medicine that deals with childbirth Obstetrics is a challenging yet rewarding field.
Occidental Relating to the western world Occidental cultures have different traditions than Eastern cultures.
Outlandish Strange or unconventional His outlandish behavior shocked the crowd.
Oceanfront Located on or near the edge of the ocean They built a house on the oceanfront.
Outpouring A sudden or strong flow of something The outpouring of support was overwhelming.
Orthogonal At right angles or perpendicular to something else The two lines are orthogonal to each other.
Overburden To load or burden excessively She felt overburdened with work.
Ostensible Stated or appearing to be true, but possibly not His ostensible reason for leaving was personal, but it was really a job offer.
Oversupply An excess of supply beyond what is needed The oversupply of products led to price reductions.
Overshadow To appear more important than something else The storm overshadowed the event.
Obliterate To destroy completely The town was obliterated by the earthquake.
Omnipotent All-powerful, having unlimited power In some cultures, gods are believed to be omnipotent.
Overgrowth Excessive growth, especially of plants The garden was filled with overgrowth.
Omniscient All-knowing, having complete knowledge The narrator in the novel is omniscient.
Overactive More active than usual or necessary His overactive imagination made him a great storyteller.
Oesophagus The tube that connects the throat to the stomach The doctor examined her oesophagus for signs of damage.
Oceangoing Designed for travel on the ocean The oceangoing ship set sail early in the morning.
Opprobrium Harsh criticism or disgrace The politician faced opprobrium after the scandal.
Obsequious Excessively obedient or submissive His obsequious behavior towards his boss was unappealing.
Oropharynx The part of the throat at the back of the mouth The doctor examined the oropharynx for any infections.
Omnivorous Eating both plants and animals Bears are omnivorous animals, eating a variety of foods.
Overcharge To charge more than the correct amount The store overcharged me for the item.
Overbought Bought too much of something, especially at a high price The store overbought stock that didn’t sell well.
Overextend To extend beyond what is reasonable or possible She overextended herself with too many responsibilities.
Oratorical Relating to the art of public speaking The oratorical skills of the candidate impressed everyone.
Osteopathy A medical treatment focusing on the bones, muscles, and joints He sought osteopathy treatment for his back pain.
Overwinter To spend the winter in a particular place Many birds overwinter in warmer regions.
Opalescent Showing a play of colors like that of an opal The water had an opalescent glow in the moonlight.
Otherworld Relating to a world beyond the physical one The fantasy novel describes an otherworld full of magical creatures.
Octahedral Having eight faces, typically referring to a geometric shape An octahedral crystal structure is common in certain minerals.
Osteogenic Related to the formation of bone The osteogenic properties of the substance were studied.
Orangewood The wood of the orange tree The artisan used orangewood to make the carving.
Overstress To place excessive importance on something Don’t over stress the minor issues at work.
Osmolality The concentration of solute in a solution Osmolality is crucial for maintaining proper fluid balance in the body.
Octahedron A solid with eight triangular faces The octahedron has eight faces and twelve edges.
Overflight The act of flying over something The plane made an overflight of the city.
Osteoclast A cell that breaks down bone tissue Osteoclasts play an important role in bone remodeling.
Osteoblast A cell that forms new bone tissue Osteoblasts are essential for bone growth.
Oculomotor Relating to the movement of the eye The oculomotor nerve controls eye movement.
Outcompete To outperform or surpass in competition The new company was able to outcompete its rivals.
Osmolarity The measure of solute concentration in a solution The osmolarity of the solution was carefully measured.
Ovipositor An organ used by some insects to lay eggs The insect used its ovipositor to deposit its eggs.
Organicism The theory that society or the universe operates like a living organism Organicism emphasizes the interconnectedness of all elements.
Overcommit To commit to something to an excessive extent She tends to overcommit herself to too many projects.
Overpraise To praise excessively He felt uncomfortable with the overpraise he received.
Oleaginous Oily or greasy in appearance or texture The food had an oleaginous texture that made it hard to eat.
Oceanarium A large aquarium with sea life exhibits The children enjoyed visiting the oceanarium to see the dolphins.
Overexpose To expose to excessive or harmful amounts Overexposing your skin to the sun can cause damage.
Overspread To spread over a wide area The fog overspread the town early in the morning.
Outstation A station located away from the main one He worked at an outstation far from the headquarters.
Oceanology The study of the ocean and its contents Oceanology involves research on marine life and ecosystems.
Openhanded Generous or liberal in giving He was openhanded with his donations to charity.
Onomastics The study of names and their origins Onomastics can reveal interesting insights into cultural history.
Overstrain To strain or stress something beyond its limits Don’t overstrain yourself while lifting heavy objects.
Oversimple Too simplistic, ignoring complexities The explanation was oversimplified and didn’t cover the key details.
Outbalance To outweigh or surpass in importance His intelligence outbalanced his lack of experience.
Orthoclase A mineral with the chemical formula KAlSi3O8 Orthoclase is often found in granite rocks.
Orchardist A person who cultivates an orchard The orchardist harvested apples from his farm.
Ophthalmia Inflammation of the eye She was treated for ophthalmia by the eye specialist.
Overstride To take steps that are too long or exaggerated He had a tendency to overstride when walking fast.
Ordonnance A formal order or decree The king issued an ordonnance requiring all citizens to pay taxes.
Oldfangled Outdated or old-fashioned His oldfangled ideas were considered irrelevant by younger generations.
Oligopsony A market situation with few buyers In an oligopsony, suppliers have limited bargaining power.
Organology The study of the structure and function of organs Organology examines how different organs contribute to an organism's functioning.
Ornithosis A disease transmitted from birds to humans Ornithosis can cause respiratory issues in humans.
Otherwhere In another place or location They decided to go otherwhere for their vacation.
Outstretch To stretch out or extend He outstretched his hand for a handshake.
Ovariotomy Surgical removal of an ovary The doctor recommended an ovariotomy to remove the cyst.
Overmaster To overpower or dominate He managed to overmaster his opponents in the competition.
Overmighty Having excessive power The king became overmighty and feared by his people.
Ornithopod A type of dinosaur that walked on two legs The ornithopod roamed the forests millions of years ago.
Osculation The act of kissing or touching, especially in a specific manner Their osculation was brief but passionate.
Operculate To cover or close, especially in reference to a fish’s gills The operculate fish had gills that were covered by a flap.
Ochlocracy Mob rule or government by the masses Ochlocracy leads to instability and disorder in governance.
Obnubilate To obscure or cloud over The fog obnubilated the view of the mountains.
Olivaceous Olive-colored The olivaceous leaves of the tree shimmered in the sunlight.
Oligoclase A type of feldspar mineral with a grayish or greenish color Oligoclase is often used in jewelry-making.

11

Here is the list of the words with their meanings and examples as per your request:

Word Meaning Example
Opportunity A set of circumstances that makes it possible to do something. She saw the opportunity to advance her career with this new job offer.
Outstanding Exceptionally good or impressive. His performance in the play was outstanding.
Operational Relating to the operation or functioning of something. The operational status of the equipment was checked daily.
Observation The action or process of observing something carefully to gain information. The scientist made a detailed observation of the behavior of the animals.
Orientation The position or direction of something, or the process of becoming familiar with a new situation. The orientation session helped the new employees understand the company policies.
Objectivity The quality of being objective, unbiased, and impartial. The judge's objectivity was praised during the trial.
Obstruction Something that blocks or prevents progress. The fallen tree caused an obstruction in the road.
Outsourcing The practice of obtaining goods or services from an outside supplier. Many companies are outsourcing their customer service operations to reduce costs.
Orthopedics A branch of medicine dealing with the correction of deformities of bones or muscles. The patient was referred to the orthopedic specialist for treatment.
Originality The ability to think independently and creatively. Her originality in solving problems set her apart from the rest of the team.
Observatory A place or facility for observing astronomical events. The astronomer spent hours at the observatory studying the stars.
Ontological Relating to the branch of philosophy dealing with the nature of being. He discussed ontological issues in his thesis on human existence.
Overarching Comprehensive or all-encompassing. The overarching theme of the book was the struggle between good and evil.
Oscillation Movement back and forth at a regular speed. The oscillation of the pendulum was mesmerizing to watch.
Orchestrate To arrange or direct the elements of a situation to produce a desired effect. The event planner orchestrated every detail of the wedding.
Overzealous Showing excessive enthusiasm or energy. His overzealous attitude in meetings sometimes made others uncomfortable.
Overbearing Being excessively controlling or domineering. Her overbearing nature made it hard to work with her.
Omnipresent Present everywhere at the same time. The internet has become omnipresent in modern society.
Opinionated Holding strong, often unreasonable, views or beliefs. He is so opinionated that it's difficult to have a discussion with him.
Opportunist A person who takes advantage of situations or opportunities with little regard for principles. She is seen as an opportunist who always takes advantage of others' misfortunes.
Overwrought In a state of nervous excitement or anxiety. The actor was overworked and overwrought after the long shoot.
Optometrist A professional who examines and measures vision. She visited the optometrist to get new glasses.
Ornithology The scientific study of birds. His passion for ornithology led him to pursue a career in wildlife conservation.
Outdoorsman A person who enjoys outdoor activities. The outdoorsman spent the weekend hiking and fishing in the mountains.
Obsolescent Becoming outdated or no longer in use. The typewriter is now obsolescent, replaced by computers and tablets.
Orthography The conventional spelling system of a language. The teacher focused on improving students' orthography in their writing.
Ostentation Displaying wealth, knowledge, etc., in a way that is meant to impress others. His ostentation at the party made everyone uncomfortable.
Overweening Excessively confident or arrogant. Her overweening pride made her unpopular with her peers.
Outmaneuver To outsmart or surpass in strategy or skill. He managed to outmaneuver his competitors in the business world.
Outdistance To surpass or exceed in distance or achievement. The runner outdistanced all of his opponents in the final stretch of the race.
Orthostatic Relating to or denoting a type of hypotension (low blood pressure) that occurs when standing up. Orthostatic hypotension can cause dizziness when standing up too quickly.
Outbuilding A small structure separate from a main building, often used for storage or other purposes. The tools were stored in the outbuilding next to the house.
Overstretch To extend or stretch beyond the limit of one's capability. The manager didn't want to overstretch the team's resources by assigning too many tasks.
Objectivism A philosophical belief emphasizing the pursuit of one's own happiness and individualism. Objectivism advocates that individuals act in their own rational self-interest.
Overanxious Excessively worried or anxious. She was overanxious about the upcoming exam, despite being well-prepared.
Overindulge To indulge in something excessively. He tends to overindulge in sweets during the holidays.
Overproduce To produce in excess of the required amount. The factory overproduced the items, leading to unsold stock piling up.
Occultation The blocking of one celestial body by another. The occultation of the moon by the earth caused a lunar eclipse.
Orthodontia The branch of dentistry concerned with the diagnosis and treatment of irregularities in teeth. He needed orthodontia to correct his misaligned teeth.
Overachieve To perform better than expected or required. She is known to overachieve in everything she does, from work to academics.
Oncogenesis The process of development of cancer. Researchers are studying oncogenesis to understand how cancer cells form.
Overbalance To lose balance or become unsteady. He overbalanced while hiking and fell down the hill.
Openhearted Willing to share emotions and be compassionate. Her openhearted nature made her very approachable and liked by everyone.
Ontogenesis The development or origin of an organism. Ontogenesis is the process by which an organism develops from a single cell.
Overnighter A person or thing that stays overnight, often unexpectedly. They decided to become overnighters after their flight was delayed.
Ovariectomy The surgical removal of one or both ovaries. She underwent an ovariectomy due to medical complications.
Odoriferous Having or giving off a smell, especially an unpleasant one. The odoriferous smell from the garbage spread throughout the neighborhood.
Opprobrious Expressing scorn or criticism; disgraceful. His opprobrious remarks about her appearance hurt her deeply.
Outbreeding The mating of individuals from different genetic backgrounds to increase diversity. Outbreeding is important in maintaining healthy populations of animals.
Overcorrect To correct too much or too forcefully. He overcorrected his driving, causing the car to swerve.
Overprotect To protect excessively, often in a way that limits freedom or development. Parents sometimes tend to overprotect their children out of concern for their safety.
Overdevelop To develop too much or too quickly. The city overdeveloped its coastline, causing environmental damage.
Ornithopter A machine designed to achieve flight by flapping its wings. Leonardo da Vinci designed an early version of an ornithopter in the 15th century.
Overgarment An outer garment worn over others for protection or warmth. She wore a heavy overgarment to protect herself from the cold wind.
Overfatigue Extreme tiredness caused by overexertion. After the long hike, she suffered from overfatigue and needed to rest.
Orthoscopic Relating to or having a corrected or proper view, often in relation to vision. The orthoscopic lenses improved her ability to see clearly at all distances.
Osteoplasty A surgical procedure to repair or reshape bones. The doctor performed an osteoplasty to fix the fractured bone.
Oneiromancy The practice of interpreting dreams to predict the future. He consulted a oneiromancer to learn about his future through his dreams.
Octapeptide A peptide composed of eight amino acids. The scientist discovered a new octapeptide with potential medical benefits.
Omnifarious Including all kinds or varieties. The library had an omnifarious collection of books from various genres and subjects.
Officialese The formal, bureaucratic language used in official documents. The report was written in officialese, making it difficult for the public to understand.
Oligochaete A type of earthworm or segmented worm. The scientist studied the oligochaete's role in soil aeration.
Odontoblast A type of cell involved in the formation of dentin in teeth. The odontoblasts work to produce dentin throughout the life of the tooth.
Ostensorium A container used to display the consecrated Eucharist in Christian religious ceremonies. The priest placed the sacrament in the ostensorium for the congregation to see.
Orthopteran A type of insect, such as a grasshopper or cricket, that has straight wings. Orthopterans are known for their ability to jump long distances.
Orthocenter The point where the altitudes of a triangle meet. In geometry, the orthocenter is an important concept when studying triangles.
Overcasting The act of covering or obscuring something, especially the sky with clouds. The sky was overcasting, hinting at an incoming storm.
Overcareful Excessively careful or cautious. He was overcareful in handling the fragile vase and nearly dropped it.
Oxyhydrogen A mixture of oxygen and hydrogen gases, often used as a fuel source. Oxyhydrogen gas is used in welding due to its high temperature when burned.
Ozonosphere The layer of ozone in the earth's atmosphere that protects against harmful UV radiation. The depletion of the ozonosphere is a major environmental concern.
Oxalacetate A compound formed in the metabolism of carbohydrates and fats. Oxalacetate plays a critical role in the citric acid cycle in cellular respiration.
Orientalize To present or treat something in a way that reflects the characteristics or style of the Orient. The artist's work began to orientalize, incorporating elements of Asian art.
Oscillogram A graphical representation of an oscillation or wave, typically used in electronics. The engineer used an oscillogram to analyze the electrical signal's frequency.
Ostracoderm An extinct group of armored prehistoric fish. The fossils of ostracoderms provide valuable information about early vertebrate evolution.
Officialism The adherence to rigid official rules and regulations. His approach was criticized for excessive officialism, which hindered progress.
Offscouring A person or thing regarded as worthless or undesirable. The offscouring of society was often neglected and ignored.
Offprinting The process of transferring a design or text onto a surface, especially in printing. Offprinting allowed the publisher to distribute the newspaper more efficiently.
Officiaries Persons who perform official duties, especially in a religious setting. The officiaries at the ceremony ensured everything proceeded smoothly.
Officiously In a manner that is assertive of authority, often without being wanted. He officiously interrupted the meeting with unnecessary comments.
Officiating The act of performing the duties of an official or leader, especially in sports or ceremonies. The referee was officiating the soccer match with great authority.
Officiation The act of performing an official ceremony or ritual. The officiation of the wedding was done by the bride's father.
Officialdom The collective body of officials in a particular field or organization. He became part of the officialdom after being appointed as a senior officer.
Offhandedly In a manner that is casual, without much thought or care. She spoke offhandedly about her accomplishments, not realizing how impressive they were.
Offertories Offerings, especially those given during religious ceremonies. The offertories collected during the service went to the church's charity fund.
Offenseless Without offense or insult. Her comments were entirely offenseless, aimed at explaining the situation calmly.
Offensively In a manner that causes offense, usually in speech or action. He spoke offensively, causing tension among the group.
Oligoclases A rare mineral consisting of a group of silicate minerals. Oligoclases are found in igneous rocks and are used in various industrial applications.
Oligarchies A form of government in which power is held by a small, privileged group. Many countries struggle with the influence of oligarchies undermining democracy.
Oligopolies Market structures in which a small number of firms control most of the industry. The telecommunications industry is dominated by oligopolies that control the majority of the market.
Olfactories Relating to the sense of smell or olfactory processes. The olfactories play an essential role in detecting scents and odors.
Omnipotents Having unlimited power or authority. The king was seen as an omnipotent ruler, feared and revered by his people.
Omniscience The state of knowing everything. The concept of omniscience is often associated with divine beings in religious texts.
Omnipotence The quality of having unlimited power. The god in the myth was described as having omnipotence over all creation.
Ominousness The quality of being threatening or foreshadowing something bad. The ominousness of the dark clouds suggested a storm was imminent.
Odorousness The quality of having a strong or distinctive smell. The odorousness of the perfume filled the room when she entered.
Oecumenical Relating to the unity or cooperation of different Christian denominations. The oecumenical council aimed to foster better relations among Christian churches.
Octahedrons A solid shape with eight faces, typically triangular. The architect used octahedrons in the design of the modern sculpture.
Octagonally In the shape of an octagon, or having eight sides. The building was designed octagonally, with eight symmetrical wings.
Occupancies The act of living in or using a space, or the number of people occupying it. The hotel had several vacant rooms, but the occupancies remained high during the holidays.

12

Here's the wordlist with their English meanings and examples:

Word Meaning Example
Organization A group of people working together for a common goal. The organization held a meeting to discuss the new project.
Occasionally Happening from time to time, not regularly. I occasionally visit the library to read new books.
Overwhelming Very strong or intense. The overwhelming response to the concert was unexpected.
Occupational Relating to a job or occupation. The doctor is trained in occupational health.
Optimization The process of making something as effective or functional as possible. The company is focusing on optimization of their website to improve user experience.
Osteoporosis A medical condition where bones become weak and brittle. Osteoporosis can lead to fractures if not treated properly.
Overpowering So strong that it overwhelms or dominates. The smell of fresh flowers was overpowering as we entered the garden.
Overestimate To estimate something as being greater than it actually is. I overestimated the time it would take to complete the project.
Otherworldly Very strange or different from this world. The otherworldly appearance of the alien planet fascinated the explorers.
Overcapacity Exceeding the normal or available capacity. The hospital is operating at overcapacity due to an influx of patients.
Obstetrician A doctor specializing in pregnancy and childbirth. The obstetrician provided guidance throughout her pregnancy.
Ostentatious Displaying wealth or knowledge in a way that is meant to impress others. His ostentatious display of wealth alienated his friends.
Oceanography The study of the ocean and its processes. She majored in oceanography to study marine ecosystems.
Outplacement The process of helping employees find new jobs after they are laid off. The company offered outplacement services to its former employees.
Oscilloscope A device used to measure and display electrical signals. The technician used an oscilloscope to analyze the waveform of the circuit.
Orthodontics The branch of dentistry dealing with the correction of teeth and jaws. He decided to specialize in orthodontics after dental school.
Officeholder A person who holds an official position, especially in government. The officeholder was responsible for passing new legislation.
Orthographic Relating to the conventional spelling system of a language. The teacher corrected the student's orthographic errors in the essay.
Octogenarian A person who is between 80 and 89 years old. The octogenarian enjoyed playing chess with his grandchildren.
Oversimplify To make something seem simpler than it really is. Don't oversimplify the situation; it's more complicated than that.
Orienteering A competitive sport involving navigation with a map and compass. She participated in orienteering during the outdoor adventure camp.
Osteosarcoma A type of bone cancer. Osteosarcoma often affects young people and requires aggressive treatment.
Ossification The process of becoming bony or hard. As we age, the cartilage in our joints may go through ossification.
Obstreperous Noisy and difficult to control. The children were being obstreperous during the class.
Obscurantism The practice of deliberately preventing the facts or full details from being known. The politician's speech was full of obscurantism, making it hard to understand his true intentions.
Overpressure Higher than normal pressure. The overpressure in the gas tank caused a safety concern.
Osteogenesis The process of bone formation. Osteogenesis is crucial for skeletal development and healing of fractures.
Otosclerosis A condition in which the bones of the ear become abnormally hard, leading to hearing loss. He was diagnosed with otosclerosis and underwent surgery to improve his hearing.
Onomatopoeia The formation of words that imitate the natural sounds associated with them. "Buzz" and "sizzle" are examples of onomatopoeia in English.
Overinflated To make something appear larger or more important than it really is. His overinflated ego made him difficult to work with.
Organoleptic Relating to the sensory qualities of a substance, such as taste and smell. The organoleptic properties of the wine were evaluated by experts.
Oophorectomy Surgical removal of one or both ovaries. The doctor recommended an oophorectomy for the patient with ovarian cancer.
Osteomalacia Softening of the bones due to a deficiency of vitamin D or calcium. Osteomalacia causes bone pain and muscle weakness.
Osteoplastic Relating to or involving the surgical reconstruction of bones. The surgeon performed an osteoplastic procedure to repair the broken bone.
Overcautious Being excessively careful to avoid risks or mistakes. He was overcautious in his investment decisions and missed out on opportunities.
Orthorhombic A type of crystal system with three unequal axes that are perpendicular. The mineral had an orthorhombic structure, making it easy to identify under a microscope.
Oscillograph A device that records electrical signals, similar to an oscilloscope. The engineer used an oscillograph to chart the signal strength over time.
Overpopulate To populate a place with more people than it can support. If the city continues to overpopulate, there will be a strain on its resources.
Oxyacetylene A type of flame produced by burning oxygen and acetylene, used in welding. The welder used an oxyacetylene torch to cut through the metal.
Overgenerous Giving more than what is necessary or appropriate. Her overgenerous gift left the recipient feeling overwhelmed.
Overregulate To impose excessive rules or controls. The company felt that the government might overregulate their industry.
Overfamiliar Too familiar, to the point of being inappropriate. His overfamiliar behavior made her uncomfortable during the meeting.
Orthogenesis The concept of directional evolution in a straight line. Some scientists believe that orthogenesis played a role in the evolution of certain species.
Olfactometer An instrument used to measure the strength of odors. The researcher used an olfactometer to test different fragrances.
Overmedicate To administer more medication than necessary. It's important not to overmedicate children with unnecessary antibiotics.
Oligotrophic Describing a body of water that has low levels of nutrients. The oligotrophic lake is known for its clear waters and low algae growth.
Octosyllable A word or line of poetry containing eight syllables. The poem was written in octosyllable verses, each line having exactly eight syllables.
Orthopteroid Relating to or resembling the order of insects that includes grasshoppers. The insect's body shape was orthopteroid, with long legs and wings.
Onychophoran An invertebrate animal related to velvet worms. The onychophoran species is known for its unique method of moving across surfaces.
Orchidaceous Belonging to the orchid family of plants. The orchidaceous flowers in the garden bloomed beautifully in spring.
Opinionative Inclined to express personal opinions. Her opinionative nature often led to debates with her colleagues.
Overwithhold To deduct more money or taxes than required. He was worried he might have overwithheld from his paycheck, affecting his refund.
Oxaloacetate A compound that plays a key role in the citric acid cycle in metabolism. The enzyme helps convert oxaloacetate into other metabolites in the Krebs cycle.
Overpersuade To persuade someone to an extreme degree. The salesman tried to overpersuade me to buy the more expensive model.
Overcritical Excessively critical or judgmental. Her overcritical remarks made it difficult for the team to feel appreciated.
Oncornavirus A term for a group of viruses that cause cancer. The study on oncornavirus helped researchers understand the link between cancer and viruses.
Orthotropous Describing seeds with an embryo where the cotyledons are in the same axis as the seed. The orthotropous seed germinated quickly in the nutrient-rich soil.
Oblanceolate Referring to a leaf shape that is wider at the tip than at the base. The plant had oblanceolate leaves, perfect for water retention.
Oligophagous Feeding on a limited range of food. The panda is an oligophagous animal, primarily feeding on bamboo.
Offscourings The remnants or refuse from something. He felt like an offscouring of society after his time in prison.
Offishnesses The quality of being reserved or distant. Her offishnesses made it hard for her to connect with new colleagues.
Officialdoms The group of people who hold official positions, especially in government. The rise of officialdoms in the political system led to more bureaucratic procedures.
Officiations The act of officiating or performing a ceremony. His officiation at the wedding made the ceremony even more special.
Officialisms Bureaucratic or formal language used by officials. The report was filled with officialisms, making it difficult to read.
Officialeses The language or jargon used by officials. His speech was full of officialeses, confusing everyone with its technical terms.
Oligophagies The state of eating a limited range of food. Some animals exhibit oligophagies, feeding on only a few plant species.
Oligopsonies A market condition where a few buyers influence prices. The industry operates in oligopsonies, where large companies dominate purchases.
Oligochaetes A group of annelid worms, such as earthworms, that have few setae. Oligochaetes are important to soil health because they aerate the ground.
Oligarchical Relating to a system of government where power rests with a few people. The country was ruled by an oligarchical regime, with a small elite holding all the power.
Oleoresinous Containing both oil and resin. The plant produces oleoresinous compounds used in perfumes and medicines.
Oleaginously In a greasy or oily manner. The cake was oleaginously rich, with layers of creamy frosting.
Oleandomycin An antibiotic used to treat bacterial infections. Doctors prescribe oleandomycin for certain types of respiratory infections.
Omnipotences The quality of having unlimited power or authority. The king's omnipotences allowed him to govern without opposition.
Omnisciences The state of having infinite knowledge. In literature, the omnisciences of a narrator can offer a deep insight into the story.
Omnisciently In a way that shows complete knowledge or awareness. The narrator told the story omnisciently, knowing every character's thoughts.
Omnipotently In a way that shows complete power or authority. He acted omnipotently, making decisions that affected the entire company.
Omnipresence The state of being everywhere at once. The omnipresence of the internet has changed the way we communicate.
Omnivorously In a manner that involves eating both plants and animals. The animal omnivorously fed on fruits, insects, and small mammals.
Oblatenesses The quality of being flattened at the poles. The planet's oblatenesses make it appear slightly squished at the poles.
Obligingness The quality of being helpful or accommodating. Her obligingness in the office made her a favorite among colleagues.
Obligatorily Done as a requirement or duty. Employees must attend the meeting obligatorily to stay informed about company policies.
Objectivisms Philosophical views emphasizing objective reality. The philosopher argued for objectivisms in ethics, stating that moral truths exist independently of human feelings.
Objectivists People who believe in objective reality, especially in philosophy. The objectivists promoted individualism and rational self-interest as fundamental principles.
Objurgations Harsh criticisms or rebukes. The boss's objurgations were aimed at improving the team's performance.
Objectifying Treating someone as an object or thing rather than a person. The movie was criticized for objectifying its female characters.
Obfuscations The act of making something unclear or confusing. The lawyer used legal obfuscations to confuse the jury.
Obscurantist A person who deliberately prevents the understanding of complex issues. His obscurantist approach in politics made it hard for the public to understand his policies.
Obscurations The act of making something unclear or hidden. The fog caused obscurations that reduced visibility on the road.
Obliterators People or things that destroy or remove something completely. The storm was one of the most powerful obliterators of the coastline in history.
Obliterating Destroying completely. The fire was obliterating everything in its path, leaving nothing behind.
Obliteration The state of being destroyed completely. The obliteration of the town left it in ruins after the war.
Obliterative Intended to destroy completely. The army used obliterative tactics to wipe out the enemy's forces.
Obnubilating Making something cloudy or unclear. The dense fog was obnubilating the view of the landscape.
Obnubilation The state of being obscured or clouded. The obnubilation caused by the storm made it difficult to continue the outdoor event.
Obstructions Things that block or hinder progress. The fallen tree caused obstructions on the road, delaying traffic.
Obstructives Things or actions that block progress. The bureaucratic obstructives slowed down the approval process.
Obtusenesses The quality of being dull or slow to understand. His obtusenesses in the discussion led to misunderstandings.
Obsolescence The state of being outdated or no longer in use. The obsolescence of old technology made it necessary for the company to upgrade its systems.
Obsoleteness The quality of being no longer useful or relevant. The obsoleteness of manual typewriters was evident in the modern office environment.
Observations The act of noticing or watching something, or the notes made about it. Her observations about the team's progress were noted in the meeting minutes.

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Here’s the word list with their meanings and examples, formatted as per your request:

Word Meaning Example
Opportunistic Taking advantage of opportunities, often in an unethical way. He took an opportunistic approach to the business deal, exploiting every loophole.
Objectionable Something that causes offense or displeasure. Her objectionable behavior made her unpopular at the party.
Ophthalmology The branch of medicine dealing with the eyes and their diseases. He is studying ophthalmology to become a specialist in eye care.
Orchestration The arrangement or composition of music for orchestral performance. The orchestration of the symphony was done by a famous composer.
Organogenesis The process of organ formation during embryonic development. Organogenesis is a crucial stage in early fetal development.
Ornamentation The addition of decorative elements or features. The ornamentation of the cake made it look exquisite for the wedding.
Overabundance An excessive quantity or supply of something. The overabundance of food at the banquet left many guests with full plates.
Osteomyelitis An infection of the bone, typically caused by bacteria. The patient was diagnosed with osteomyelitis after an injury to his leg.
Overemphasize To place too much importance or emphasis on something. She tends to overemphasize the need for perfection in her work.
Overconfident Excessively confident, often beyond what is justified by reality. His overconfident attitude made him underestimate the complexity of the task.
Oversensitive Excessively sensitive, especially to criticism or emotions. She is oversensitive about her appearance, always worrying about what others think.
Overqualified Having more qualifications or skills than necessary for a position or role. He was overqualified for the job, but still eager to apply.
Oversubscribe To sell or accept more subscriptions than the available capacity or resources. The concert was oversubscribed, with tickets selling out within hours.
Overstimulate To stimulate something too much, often leading to negative consequences. The excessive noise in the room may overstimulate the children, causing stress.
Overambitious Having excessive ambition or unrealistic goals. His overambitious plans for the startup led to its eventual collapse.
Overdramatize To exaggerate or present something as more dramatic or significant than it really is. She tended to overdramatize minor problems, making them seem like major crises.
Oppositionist A person who opposes or resists something, often in politics. The oppositionist leader voiced concerns about the new government policies.
Oxyhemoglobin Hemoglobin that is bound to oxygen, responsible for transporting oxygen in the blood. Oxyhemoglobin levels in the blood decrease during respiratory illnesses.
Overemotional Excessively emotional, often reacting in a way that is disproportionate to the situation. She was overemotional during the meeting, reacting strongly to minor criticisms.
Omnicompetent Having complete or all-encompassing competence or skill. His omnicompetent approach made him successful in multiple fields of work.
Overprescribe To prescribe too much of a drug or treatment, often more than necessary. Doctors are advised not to overprescribe antibiotics to avoid resistance.
Ornithischian A type of herbivorous dinosaur characterized by a hip structure. The ornithischian dinosaurs were the primary herbivores during the Mesozoic Era.
Opisthobranch A group of marine gastropod mollusks that lack a shell or have a reduced one. The opisthobranchs are fascinating creatures found in deep ocean waters.
Oleomargarine A type of margarine made from vegetable oils and used as a butter substitute. Oleomargarine is often used in baking as a cheaper alternative to butter.
Occidentalize To adopt or incorporate the customs, culture, or style of Western countries. The country began to occidentalize its education system, aligning with Western models.
Octodecillion The number represented by 1 followed by 57 zeros in the US system. An octodecillion is an incredibly large number, rarely used in everyday life.
Odontoglossum A type of orchid found in the Andes, prized for its beautiful flowers. The odontoglossum orchid is known for its delicate petals and vibrant colors.
Overdominance A genetic phenomenon where a heterozygous individual exhibits a stronger trait than a homozygous one. Overdominance can sometimes lead to unexpected traits in hybrid plants.
Ovoviviparous Animals that produce eggs that hatch within the body, so the young are born live. Some reptiles, like certain species of snakes, are ovoviviparous.
Oystercatcher A type of wader bird that feeds on mollusks and lives along coastal regions. The oystercatcher is known for its long, bright orange beak used to crack open shells.
Oxaloacetates A chemical compound that plays a crucial role in metabolism and the citric acid cycle. Oxaloacetates are essential for energy production in cellular respiration.
Overutilizing Using something excessively or beyond what is necessary. Overutilizing resources can lead to environmental depletion.
Overvaluation The act of estimating something as being worth more than it actually is. The overvaluation of the property led to a financial crisis when the market corrected.
Overweighting Giving too much weight or importance to something. The analyst was criticized for overweighting the risks in the investment portfolio.
Overweeningly In an excessively arrogant or presumptuous manner. She spoke overweeningly about her accomplishments, disregarding others' opinions.
Overwintering The process of surviving through the winter, particularly in plants or animals. Certain species of birds are known for their ability to overwinter in colder climates.
Overwithholds To withhold too much, especially in terms of tax or funds. The company overwithholds employees' taxes, leading to frustration during tax season.
Ovipositional Related to the process of laying eggs. The ovipositional behavior of insects is often tied to the availability of resources.
Overstatement A statement that exaggerates the facts or details. The politician's overstatement about the economic recovery was met with skepticism.
Overstraining The act of using more effort or force than what is healthy or sustainable. Overstraining during exercise can lead to injury or burnout.
Overstressing To place too much stress or emphasis on something, often to the detriment of well-being. She was overstressing the importance of perfection in her presentation.
Overstretched Extended beyond capacity or limits. The emergency services were overstretched due to the massive storm.
Overstretches To stretch something beyond its natural or safe limit. The team's financial strategies overstretches its resources, leading to cuts.
Overstability Excessive stability that may hinder progress or adaptation. The system's overstability prevented it from adapting to changing market conditions.
Overspreading The act of spreading excessively or beyond limits. The disease began overspreading the population, causing widespread concern.
Overspeculate To make assumptions or guesses without adequate evidence or analysis. Investors who overspeculate often face financial losses when the market corrects.
Oversweetness The quality of being excessively sweet, often to the point of being unpleasant. The oversweetness of the dessert made it hard to enjoy after a few bites.
Oversupplying To provide more than what is needed or required. Oversupplying the market with goods can lead to price drops and waste.
Oversweetened Excessively sweetened, usually referring to food or beverages. The oversweetened tea was difficult to drink due to its intense sweetness.
Overtalkative Talking too much, often excessively or annoyingly. His overtalkative nature made it difficult to get a word in during the meeting.
Overtaxations Excessive or burdensome taxes that may cause economic strain. The overtaxations placed on the middle class sparked protests in the city.
Overtightened Made too tight or constricted, often causing damage or discomfort. The bolt was overtightened, damaging the machinery.
Overtreatment The act of providing excessive medical treatment, often unnecessary. Overtreatment can lead to side effects or unnecessary costs for patients.
Overprotected Shielded too much from harm or adversity, often to the point of limiting independence. She was overprotected by her parents, which made it difficult for her to make decisions.
Overpromising To promise more than one can deliver. He was criticized for overpromising results that the team could not achieve.
Overpromoting The act of excessively promoting something or someone, often beyond reason. The company's overpromoting of their product led to consumer dissatisfaction.
Overreactions Exaggerated or excessive responses to situations. Her overreactions to small mistakes made her seem overly sensitive.
Overreporting Reporting more than what is true or necessary, often inflating facts. Overreporting of incidents can distort public perception and create panic.
Overresponded To respond too much or in an exaggerated manner. He overresponded to the criticism, causing more tension than necessary.
Overreliances Relying too much on something, often leading to vulnerability. Overreliances on technology can create security risks if systems fail.
Overregulated Controlled or restricted excessively by regulations. The industry was overregulated, stifling innovation and growth.
Overregulates To impose too many regulations, often causing inefficiency. The government overregulates small businesses, making it hard to thrive.
Oversaturated Filled to excess or beyond capacity. The market became oversaturated with similar products, leading to a decline in sales.
Oversaturates To fill something to the point of exceeding its capacity or limit. The company oversaturates the market with ads, causing consumer fatigue.
Overseriously Taking something too seriously, often in a way that is unnecessary. She overseriously interpreted the comment, missing the humor behind it.
Overservicing Providing excessive service, often beyond what is needed or required. Overservicing clients may lead to inefficiencies and unnecessary costs.
Oversecretion The excessive production or release of a substance, such as hormones or fluids. Oversecretion of insulin can lead to hypoglycemia in diabetic patients.
Overshadowing To cast a shadow over something or someone, often making them seem less important. Her accomplishments were overshadowed by his success in the competition.
Overslaughing Laughing excessively, often inappropriately. His overslaughing at the meeting made everyone uncomfortable.
Overdiversity The excessive presence of variety, sometimes leading to lack of focus. The overdiversity of options at the restaurant made it hard to choose a dish.
Overdocuments To provide excessive documentation, often more than necessary. The company was criticized for overdocuments in the employee onboarding process.
Overdiscounts To offer excessive discounts, often leading to financial loss. Overdiscounting the products reduced their perceived value in the market.
Overdirecting To direct too much, often micromanaging or limiting creativity. The film was overdirected, with every scene overly planned and rehearsed.
Overdesigning To design something with excessive detail or complexity, often beyond necessity. The overdesigning of the building made it overly expensive and impractical.
Overdeveloped Developed too much, often in a way that makes something overly complex or advanced. The software became overdeveloped, with too many features that confused the users.
Overdemanding Asking for too much or setting unrealistic expectations. She was accused of being overdemanding in her expectations of her employees.
Overembellish To exaggerate or decorate something excessively, often leading to distortion. The story was overembellished, making it hard to tell what was real and what wasn't.
Overelaborate To explain or describe something in excessive detail. His overelaborate instructions confused everyone who was trying to follow them.
Overeducating Providing more education than necessary, sometimes leading to unrealistic expectations. Overeducating children on subjects beyond their age can cause frustration.
Overeducation The act of receiving or providing more education than is practical or useful. Overeducation in a specific field can lead to an imbalance in job market skills.
Overeagerness An excessive eagerness or enthusiasm, often leading to impatience. His overeagerness to start the project led to mistakes being made early on.
Overconscious Excessively aware or concerned about something, often leading to anxiety. She became overconscious about her appearance after receiving negative comments.
Overconsuming Consuming something in excessive amounts. Overconsuming sugar can lead to serious health problems, including diabetes.
Overconstruct To build or create something to an excessive or unnecessary extent. The architect was criticized for overconstructing the building with too many features.
Overcorrected Correcting something too much, often leading to new problems. The driver overcorrected, causing the car to skid off the road.
Overconcerned Being excessively concerned or anxious about something. She was overconcerned with the details of the event, losing sight of the bigger picture.
Overcommitted To commit too much time, energy, or resources to something, often beyond capacity. He became overcommitted to his projects, leading to burnout.
Overdependent Relying too much on something or someone, often to the point of weakness. She became overdependent on her phone for everything, from reminders to communication.
Overdecorated Decorated excessively, often leading to a cluttered or overwhelming appearance. The room was overdecorated with too many items, making it feel cramped.
Overdecorates To decorate something to an excessive degree. She overdecorates her home every year for the holidays, adding too many ornaments.
Overcredulous Too willing to believe or trust too easily. His overcredulous nature made him an easy target for scams.
Overencourage To encourage excessively, often leading to unrealistic expectations. The coach overencouraged the team, pushing them beyond their limits.
Overengineers To design or create something with excessive complexity or sophistication. The product was overengineered, adding unnecessary features that confused customers.
Overenergetic Displaying excessive energy, often leading to fatigue or overexertion. Her overenergetic attitude wore everyone out during the long meeting.
Overestimated To judge something as greater or more important than it really is. The cost of the project was overestimated, leading to a budget shortfall.
Overestimates To judge something as greater or more important than it really is. The market analyst often overestimates the potential for growth in the industry.
Overexpanding To increase or spread too much, often leading to difficulties in managing or sustaining growth. The company began overexpanding into new markets without considering the risks.
Overexpansion The act of expanding too much or beyond capacity, often leading to negative consequences. Overexpansion of the business caused them to lose focus on their core products.
Overexplained To explain something in excessive detail, often leading to confusion or boredom. The instructions were overexplained, and no one could follow them properly.

14 

 Here’s the list of words with their English meanings and example sentences:


Here's a table with the meanings and example sentences for the words you've listed:

Word Meaning Example Sentence
Otolaryngology The branch of medicine that deals with the ear, nose, and throat. He is studying otolaryngology to become an ENT specialist.
Osteoarthritis A type of arthritis that occurs when flexible tissue at the ends of bones wears down. After years of playing sports, she developed osteoarthritis in her knee.
Overpopulation A condition where the number of people exceeds the capacity of the environment to support them. Overpopulation is leading to food and water shortages in some parts of the world.
Obstructionist A person who deliberately delays or prevents progress. The senator was labeled an obstructionist due to his constant vetoing of the proposed bill.
Organochlorine A chemical compound containing chlorine and carbon, often used as pesticides. The organochlorine pesticides were banned due to their harmful environmental effects.
Organometallic A compound containing a metal and one or more carbon-metal bonds. The research focused on organometallic chemistry for use in advanced catalysts.
Overcompensate To make up for something to an excessive degree. He tends to overcompensate for his lack of experience by working longer hours.
Overaggressive Exhibiting excessive aggressiveness or hostility. Her overaggressive behavior during the debate made it difficult to have a productive discussion.
Onchocerciasis A disease caused by a parasitic worm, often leading to skin and eye problems. Onchocerciasis is prevalent in many African countries, where it is transmitted by blackflies.
Oxidoreductase An enzyme that catalyzes the transfer of electrons in oxidation-reduction reactions. The oxidoreductase enzymes play a key role in cellular respiration.
Overgeneralize To make a general statement that is too broad or not accurate. Don’t overgeneralize about people based on their nationality or background.
Overoptimistic Being too hopeful or positive, often without considering the potential risks. His overoptimistic predictions about the company's growth were unrealistic.
Overprivileged Having more privileges or advantages than is fair or reasonable. The overprivileged students often took their access to resources for granted.
Ophthalmoscope An instrument used to examine the inside of the eyes, including the retina. The doctor used an ophthalmoscope to check for any abnormalities in the patient's eyes.
Overenthusiasm Excessive excitement or eagerness about something. His overenthusiasm about the new project led to some unrealistic expectations.
Orthomolecular Pertaining to the practice of treating diseases by restoring the optimal environment of molecules. Orthomolecular medicine uses high doses of vitamins to treat certain illnesses.
Osmoregulation The process of maintaining the balance of water and electrolytes in the body. Fish have specialized organs for osmoregulation, which help them survive in salty or freshwater.
Overcapitalize To invest too much capital in an enterprise. He overcapitalized on the real estate market, resulting in significant losses.
Overspecialize To focus too narrowly on a specific area, losing broader understanding. In science, it is important not to overspecialize, as knowledge from other fields can be beneficial.
Operationalism A philosophy that defines scientific concepts by the operations used to measure them. Operationalism can make experiments more reproducible by clarifying how variables are defined.
Overscrupulous Being excessively careful or diligent, often to the point of being overly meticulous. She was so overscrupulous in checking her work that she often spent too much time on minor details.
Overproportion To give too much emphasis or importance to something in relation to others. The artist seemed to overproportion the size of the trees in her landscape painting.
Oversolicitous Showing excessive concern or care, often in an intrusive way. His oversolicitous behavior towards his colleagues made them uncomfortable.
Orthochromatic Sensitive to all wavelengths of light except for the red part of the spectrum. The orthochromatic film was used to capture scenes with accurate color representation.
Ornithological Relating to the study of birds. She became an ornithological researcher, specializing in the behavior of tropical birds.
Ornithologists Scientists who study birds. The ornithologists observed the migration patterns of different bird species.
Ornithischians A group of herbivorous dinosaurs that had a pelvic structure similar to that of modern birds. Ornithischians were among the first dinosaurs to evolve complex behaviors.
Ornamentations Decorative features or embellishments used for enhancing the appearance of something. The old church was filled with intricate ornamentations, showcasing religious symbols.
Orthopedically In a manner related to the correction of skeletal deformities or issues. After her injury, she was treated orthopedically to ensure proper healing of her broken bone.
Orthogonalized Made orthogonal, or mutually independent, in a mathematical or conceptual context. The variables were orthogonalized to simplify the statistical analysis.
Orthographical Relating to the conventional spelling system of a language. She struggled with orthographical errors while writing her research paper.
Orthophosphate A chemical compound containing phosphorus, often used in fertilizers. The farmer added orthophosphate to the soil to improve crop yield.
Oscillographic Relating to or involving an oscilloscope, an instrument used to measure electrical signals. The technician used an oscillographic method to analyze the electrical signals from the brain.
Osmoregulatory Pertaining to the regulation of water and electrolyte balance in living organisms. Osmoregulatory mechanisms are essential for maintaining fluid balance in animals.
Osteoarthritic Relating to osteoarthritis, a condition where cartilage breaks down. His osteoarthritic condition made it painful to walk, especially in the morning.
Ostentatiously In a manner intended to attract attention or impress others. The billionaire's ostentatiously expensive car caught everyone's eye.
Osteosarcomata A type of cancer that originates in the bone. He was diagnosed with osteosarcomata, which required immediate surgical intervention.
Operationalist Someone who advocates for defining scientific concepts by specific, measurable operations. The operationalist approach to defining intelligence emphasizes measurable tests.
Openhandedness The quality of being generous or open to sharing. His openhandedness in donating to charity inspired many others in the community.
Oophorectomies Surgical removal of one or both ovaries. Oophorectomies are sometimes performed as a preventative measure for ovarian cancer.
Onchocerciases Plural of onchocerciasis, a parasitic disease transmitted by blackflies. Onchocerciases can cause severe skin and eye problems if left untreated.
Oncornaviruses Viruses that can cause cancer, typically affecting animals. Oncornaviruses are the focus of much cancer research due to their role in cellular transformation.
Oncogenicities The qualities or characteristics that make a substance capable of causing cancer. The study of oncogenicities helps in understanding how certain viruses contribute to cancer formation.
Omphaloskepses The practice of meditative self-reflection, often involving staring at one’s navel. The monk’s routine included daily omphaloskepses to achieve mental clarity.
Omphaloskepsis Another term for omphaloskepses, related to self-reflection. Omphaloskepsis is sometimes used as a humorous way to describe deep, introspective thinking.
Onomatologists Experts in the study of names and their origins. Onomatologists often research the historical roots of surnames and place names.
Ophthalmoscopy The examination of the inside of the eye using an ophthalmoscope. Ophthalmoscopy revealed signs of early retinal damage in the patient’s eye.
Opinionatively In a manner based on personal opinions rather than facts. His comments about the movie were given opinionatively, without regard for critical reviews.
Opisthobranchs A group of marine gastropod mollusks. Opisthobranchs include sea slugs and other fascinating underwater creatures.
Ophthalmologic Relating to the medical specialty that deals with eye diseases and surgery. Ophthalmologic treatments have advanced significantly with new technologies.
Opposabilities The ability to oppose or resist. The opposabilities of the two political parties made negotiations difficult.
Oppositionists People who oppose or resist a particular idea or movement. The oppositionists challenged the new law in court, arguing it was unconstitutional.
Oppositenesses The quality or state of being opposite in character or direction. Their oppositenesses in viewpoints led to heated debates during the meeting.
Oppressiveness The quality of being overwhelming or unjustly harsh. The oppressiveness of the authoritarian regime led to widespread protests.
Optimistically In a hopeful or positive manner, often without considering possible risks. She optimistically planned for the wedding, hoping everything would go smoothly.
Organismically In a way that relates to an organism or living system. The data was analyzed organismically, considering the broader ecological impact.
Organizational Relating to the structure or management of an organization. His organizational skills were evident in the smooth coordination of the event.
Orchestrations The arrangement of music or events in a coordinated manner. The orchestrations of the concert were carefully planned to ensure a flawless performance.
Ordinarinesses The quality of being ordinary or average. Despite her ordinariness, she had a unique talent that set her apart.
Optoelectronic Involving both optical and electronic properties or systems. Optoelectronic devices are used in everything from fiber optic communication to laser surgery.
Obstructionism The deliberate act of delaying or preventing progress. The political party's obstructionism hindered any meaningful progress on the bill.
Obstreperously In a noisy and difficult-to-control manner. The children behaved obstreperously during the long family dinner.
Obsequiousness Excessive willingness to serve or please others. His obsequiousness in front of the boss made others uncomfortable.
Obsoletenesses The state of being outdated or no longer in use. The company struggled to adapt to the obsoleteness of its old technologies.
Occidentalized Made to resemble or be influenced by Western culture. The local customs were occidentalized after decades of colonial influence.
Occidentalizes To make or become westernized. Globalization often occidentalizes traditional cultures, sometimes eroding local practices.
Objectlessness The state of lacking purpose or a clear goal. The project’s objectlessness made it difficult to measure its success or failure.
Obligingnesses The quality of being obliging or willing to help. His obligingnesses made him a favorite among the office staff.
Obduratenesses The quality of being stubborn or unyielding. Despite the facts presented, his obduratenesses prevented any meaningful compromise.
Oceanographers Scientists who study the ocean and its phenomena. Oceanographers are studying the effects of climate change on ocean currents.
Oceanographies The study or description of the ocean, its features, and phenomena. Advances in oceanographies have revealed new species living at extreme depths.
Occupationally Relating to one's occupation or job. He was occupationally satisfied, enjoying his work as a software engineer.
Octodecillions A number represented by a 1 followed by 57 zeros. The company’s debts amounted to octodecillions, which was impossible to repay.
Odontoglossums A type of orchid known for its attractive flowers. The gardener grew rare odontoglossums in a special greenhouse to maintain their temperature needs.
Ombudsmanships The profession or role of an ombudsman, who addresses complaints. Ombudsmanships are vital in large organizations to address employee grievances impartially.
Omnicompetence The ability to perform any task or role with competence. Her omnicompetence made her an invaluable member of the team, able to step in wherever needed.
Oligopsonistic A market situation in which a few buyers exert control over the market. The oligopsonistic nature of the healthcare market limits competition and drives up prices.
Oleomargarines Margarine made from vegetable oils. Oleomargarines are often used as substitutes for butter in cooking and baking.
Oleaginousness The quality of being oily or greasy. The oleaginousness of the cream made it difficult to absorb into the skin.
Overspeculated Something that has been overestimated or discussed excessively. The stock market crash occurred after many investments were overspeculated.
Overstretching To extend something too far beyond its limits. Overstretching your body during exercise can lead to serious injury.
Overstructured Having too rigid or formalized an organization or system. The company became overstructured, leading to slow decision-making and lack of flexibility.
Overstatements Statements that are exaggerated or overstated. The advertising campaign was filled with overstatements about the product’s effectiveness.
Overstimulated Exposed to too much stimulation, leading to agitation. The child was overstimulated by the loud noises at the amusement park and started crying.
Overstimulates To stimulate excessively or beyond the ideal level. Caffeine overstimulates the nervous system, causing jitters and anxiety.
Overtightening To make something too tight, often leading to damage. Overtightening the screws caused the plastic casing to crack.
Overtreatments The act of treating something too much, often unnecessarily. Over treatments of the skin can lead to irritation or dryness.
Oversweetening The act of making something excessively sweet. Oversweetening the dish ruined its natural flavor.
Oversuspicious Being overly suspicious or distrustful without reason. His oversuspicious attitude caused him to alienate his friends.
Oversubscribed Having more demand or requests than available resources. The concert was oversubscribed, and many fans had to be turned away.
Oversubscribes To accept more requests or participants than can be accommodated. The company oversubscribes its stock offering, resulting in a higher price than expected.
Overprotecting To protect excessively, often to the detriment of growth or independence. Parents should avoid overprotecting their children to help them develop resilience.
Overprotection The act of protecting excessively. Overprotection can hinder a child's ability to solve problems independently.
Overprotective Showing excessive care or concern. She was overprotective of her dog, not allowing it to play outside for long periods.
Overrefinement The act of refining something too much, making it lose its original purpose or value. Overrefinement of the design led to a product that was too complicated for users to understand.
Overregulating The act of imposing excessive rules or regulations. The company struggled to keep up with the overregulating policies on data privacy.
Overregulation The state of having too many regulations or rules, often to an unhelpful extent. Overregulation of the industry stifled innovation and increased costs.
Overresponding Reacting too strongly or excessively to a situation. Overresponding to a small mistake can create unnecessary tension in the workplace.


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Word Meaning Example Sentence
Optoelectronics A branch of electronics that deals with the design and application of electronic devices that source, detect, and control light. The advancement of optoelectronics has revolutionized communication technologies.
Oligonucleotide A short sequence of nucleotides (the building blocks of DNA or RNA). Researchers used oligonucleotides to create custom DNA sequences for the study.
Organophosphate A class of chemicals often used as pesticides and can affect the nervous system. The farmer applied organophosphate-based pesticides to control insects in the crops.
Ophthalmologist A medical doctor who specializes in the diagnosis and treatment of eye disorders. The ophthalmologist prescribed new glasses to correct my vision.
Overrepresented Represented in disproportionate numbers. Women are still often overrepresented in administrative positions in many fields.
Omnidirectional Capable of receiving or transmitting signals from all directions. The antenna was omnidirectional, allowing it to pick up signals from every direction.
Orthopsychiatry A field of psychiatry focused on the mental health of children and adolescents. Orthopsychiatry provides essential support for children with emotional challenges.
Oligodendrocyte A type of cell in the nervous system that produces myelin in the brain and spinal cord. Oligodendrocytes help speed up the transmission of nerve signals.
Oligosaccharide A carbohydrate made up of a small number of sugar molecules. Oligosaccharides are found in foods like legumes and onions.
Oxytetracycline A broad-spectrum antibiotic used to treat infections. The veterinarian administered oxytetracycline to treat the dog's infection.
Oligodendroglia Cells in the central nervous system that support oligodendrocytes. "Oligodendroglia cells play an essential role in maintaining the health of neurons."
Organomercurial Containing mercury, especially in a chemical compound. "Organomercurial compounds can be toxic and are carefully regulated."
Organometallics Compounds containing metal atoms bonded to organic groups. "The use of organometallics is common in catalysis and chemical reactions."
Organochlorines A group of chemicals containing both carbon, hydrogen, and chlorine, often used as pesticides. "Organochlorines are banned in many countries due to their environmental impact."
Orchestrational Relating to the arrangement or coordination of various elements to produce a desired outcome. "The orchestrational aspects of the event made it a huge success."
Ophthalmologies The branch of medicine dealing with the diagnosis and treatment of eye disorders. "Ophthalmologies have developed advanced treatments for cataracts."
Ophthalmoscopes Instruments used to examine the interior of the eye, especially the retina. "The ophthalmologist used an ophthalmoscope to check for signs of retinal damage."
Ophthalmoscopic Relating to the use or function of an ophthalmoscope. "The ophthalmosopic examination revealed no signs of eye disease."
Opinionatedness The quality of having strong, often biased opinions. "His opinionatedness made it difficult for him to see things from other perspectives."
Opprobriousness The quality of being scornful or expressing harsh criticism. "Her opprobriousness towards her colleagues created a tense working environment."
Opportunenesses The quality of being timely or suitable for a particular purpose. "The opportuneness of his decision to invest in the market paid off."
Ontogenetically Relating to the development of an individual organism from fertilization to maturity. "The ontogenetically important genes were studied in the lab for their effects on development."
Operationalists People who focus on the methods of operation or functionality of a system. "Operationalists in the field of software development aim to streamline processes."
Operationalisms The practice of defining concepts in terms of specific operations or procedures. "The research team adopted operationalisms to ensure consistent measurement in their experiments."
Operativenesses The state of being operational or functioning effectively. "The operativeness of the new software was tested thoroughly before release."
Openmouthedness The state of being astonished or shocked, often with the mouth open. "Her openmouthedness at the surprise announcement was evident to everyone around her."
Openheartedness The quality of being sincere, kind, and honest. "Her openheartedness made her a beloved figure in the community."
Orthophosphates Phosphates that are structurally simple and uncombined. "Orthophosphates are important in the biochemical cycles of plants."
Orthogonalizing Making something perpendicular or independent in relation to another element. "The researcher focused on orthogonalizing the variables to minimize interference."
Orthogonalities The quality or state of being orthogonal, or independent from one another. "The orthogonalities in the experiment's design ensured the results were unbiased."
Oscillographies Recordings or charts showing oscillations or waveforms. "The scientist used oscillographies to monitor the frequency of brain waves."
Orientationally Relating to the process of orienting or positioning something. "Orientationally, the device was designed to function in any geographical location."
Orthodontically Relating to orthodontics, the branch of dentistry dealing with the correction of teeth and jaws. "Orthodontically, her braces were adjusted every few months to improve alignment."
Osteopathically Relating to osteopathy, a medical practice focused on the manipulation of bones and muscles. "The doctor recommended osteopathically-focused therapy to treat the patient's back pain."
Osteomyelitises Infections in the bone, often caused by bacteria. "Osteomyelitises can lead to severe complications if not treated promptly."
Osmoregulations The process by which living organisms maintain the balance of water and solutes within their bodies. "Osmoregulations are critical for survival in organisms living in extreme environments."
Oligomerization The process of forming oligomers, which are molecules consisting of a few monomers. "Oligomerization of proteins is crucial for their function in cellular processes."
Omnicompetences The state of being competent in all areas or skills. "Her omnicompetences made her the ideal candidate for the leadership role."
Offhandednesses The quality of being casually dismissive or showing lack of concern. "His offhandedness during the meeting offended several colleagues."
Offensivenesses The quality of being offensive or causing offense. "The offensiveness of his remarks caused tension in the group."
Officiousnesses The quality of being overly eager to offer help or advice, often in an intrusive manner. "Her officiousness was unwelcome in the workplace, where people valued independence."
Oceanographical Relating to the study of the ocean and its phenomena. "Oceanographical research helps us understand marine ecosystems."
Odoriferousness The quality of having a strong or noticeable odor. "The odoriferousness of the flowers filled the entire garden."
Obliviousnesses The state of being unaware or unconscious of something. "His obliviousness to the team's concerns led to misunderstandings."
Obnoxiousnesses The quality of being unpleasant or offensive. "Her obnoxiousness in the meeting made everyone uncomfortable."
Objectivenesses The state of being objective, without bias or personal influence. "The objectiveness of the scientific study ensured its credibility."
Objectification The act of treating someone as an object rather than a person. "The movie's portrayal of women was criticized for objectification."
Occidentalizing The process of adopting or promoting Western values or styles. "The country's leaders were accused of occidentalizing traditional cultural practices."
Obstructionists People who deliberately hinder or block progress. "The obstructionists in the legislative assembly slowed down important reforms."
Obstructiveness The quality of being obstructive, or preventing progress. "His obstructiveness made it hard for the team to move forward with the project."
Obstructionisms Actions or attitudes that intentionally block or delay progress. "The obstructionisms in the political system hindered social reforms."
Obtainabilities The quality of being obtainable or achievable. "The obtainabilities of resources in the area were studied by the researchers."
Obtrusivenesses The state of being intrusive or excessively noticeable. "Her obtrusiveness in the conversation was off-putting to others."
Obstinatenesses The quality of being stubborn or resistant to change. "His obstinatenesses in refusing to adapt to new technologies made him unpopular."
Observabilities The quality of being observable or detectable. "The observabilities of the celestial objects were noted by the astronomer."
Observationally In a way that involves careful observation. "Observationally, the scientist noticed unusual patterns in the data."
Obsessivenesses The quality of being overly focused or preoccupied with something. "Her obsessiveness over minor details slowed down the project."
Oxyphenbutazone A medication used to reduce inflammation and treat pain. "Oxyphenbutazone is often prescribed for patients with arthritis."
Oxidoreductases Enzymes that catalyze oxidation-reduction reactions. "Oxidoreductases are essential in cellular processes that involve electron transfer."
Oversaturations The state of being overly saturated or filled to excess. "The oversaturations of the market led to a decrease in the value of the stock."
Overregulations The act of imposing too many rules or regulations. "Overregulations can stifle innovation and economic growth."
Overrefinements Excessive improvements or modifications that do not add value. "The overrefinements in the design made the product unnecessarily expensive."
Overprotections The act of providing excessive protection, often leading to negative consequences. "Overprotections can prevent children from developing necessary life skills."
Overproportions The state of being excessively disproportionate. "The overproportions of the elements in the design made it look unbalanced."
Oversimplifying The act of reducing something to an overly simple level, missing important complexities. "Oversimplifying the issue led to misguided conclusions."
Oversensitivity The quality of being overly sensitive to stimuli or criticism. "Her oversensitivity to feedback made it difficult for her to work in a team."
Overspecialized Being specialized to an extreme or narrow field, often at the cost of versatility. "His overspecialized knowledge made it hard for him to adapt to new roles."
Overspecializes To focus too narrowly on one specific area of expertise. "He overspecializes in one type of technology and struggles to expand his skill set."
Overspeculating The act of making high-risk investments based on uncertain or speculative information. "The market crashed after investors began overspeculating on the new tech stocks."
Overspeculation The act of making predictions or investments based on uncertain factors. "Overspeculation in the housing market led to the collapse of many businesses."
Overstabilities Excessive stability or resistance to change. "The overstabilities of the system made it difficult to adapt to new challenges."
Overstimulating Causing an excessive or overwhelming amount of stimulation. "Overstimulating the brain with too much information can lead to confusion."
Overstimulation The state of being exposed to too much stimulation, leading to discomfort. "The overstimulation from the loud music and flashing lights made me dizzy."
Oversubscribing The act of offering more of something than can be provided. "The company oversubscribed to its initial offering and had to turn away investors."
Oversweetnesses The quality of being overly sweet or sugary in taste. "The oversweetness of the dessert made it difficult to enjoy the meal."
Ovoviviparously Reproducing by bearing live young that developed from eggs inside the mother's body. "Some species of sharks are ovoviviparous, giving birth to live young after they hatch inside the mother."
Overwithholding The act of deducting more tax than necessary from income. "The overwithholding of taxes resulted in a large refund at the end of the year."
Overutilization The excessive use of something, leading to inefficiency or depletion. "Overutilization of natural resources can lead to environmental degradation."
Overzealousness The quality of being overly eager or enthusiastic, often to the point of being excessive. "Her overzealousness in her new role made her take on more than she could handle."
Overproductions The act of producing more than is necessary or desired. "Overproductions of certain crops led to market saturation and falling prices."
Overprogramming The act of excessively writing or adding too much code in programming. "Overprogramming the software made it more complex than it needed to be."
Overprescribing The act of prescribing excessive medication to a patient. "Overprescribing antibiotics can contribute to antibiotic resistance."
Overpopulations The condition where a population exceeds the capacity of its environment. "Overpopulations in urban areas have led to overcrowded housing and strained resources."
Overpersuasions The act of persuading someone too strongly or excessively. "Her overpersuasions made it difficult to disagree with her opinions."
Overorchestrate To arrange or direct something in an overly controlled manner. "He tends to overorchestrate his presentations, making them feel stiff and unnatural."
Overornamenting The act of excessively decorating or embellishing something. "The overornamenting of the house made it appear cluttered and chaotic."
Overopinionated Holding strong opinions, often without considering other viewpoints. "His overopinionated nature made it difficult for others to voice their ideas."
Overmedications The act of administering too many medications to a patient. "Overmedications can lead to harmful side effects and drug interactions."
Overinvestments The act of investing too much money or resources into something. "Overinvestments in risky ventures can lead to significant financial losses."
Overlengthening The act of making something longer than necessary. "The overlengthening of the meeting made it difficult to stay focused."
Overhomogenized Having undergone excessive homogenization, losing variety or distinctiveness. The overhomogenized product lacked the unique flavors found in locally-made versions.
Overhomogenizes To make something excessively uniform or blended. The company overhomogenizes its products to maintain consistency across regions.
Overintensities Excessive strength or force in something. The overintensities of the workout left him feeling exhausted and sore.
Overingenuities Excessive use of creativity or cleverness, often leading to unnecessary complexity. The engineer's overingenuities led to a design that was too complicated for practical use.
Overidentifying To overly identify with something, often leading to a loss of objectivity. She tended to overidentify with her characters, making it hard to see their flaws.
Overimaginative Having an excessive or overly active imagination. His overimaginative stories captivated the children but were sometimes too unrealistic.
Overindulgences Excessive indulgence in something, especially food or pleasure. Overindulgences in sweets led to a decline in her overall health.
Overfertilizing The act of applying too much fertilizer, often leading to negative effects. Overfertilizing the garden plants can lead to unhealthy growth and damage to the soil.
Overfamiliarity The quality of being too familiar or overly casual, often inappropriate. Overfamiliarity with coworkers can sometimes cross professional boundaries.

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Knowledge World: Learn all O words, Meaning and their Example in English
Learn all O words, Meaning and their Example in English
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