Are you looking for a list of nouns that start with O? Actually, there are manywords that start with Oin the English language. Don’t fret, though. We don’t expect you to merely take these words for it. Instead, stick around and read on to the next section. It is a list containing various nouns starting with the letter O.
Nouns That Start with O
名词是什么开始啊?
O isn’t necessarily a letter that people think about words starting with. In fact, you might believe there aren’t many nouns, verbs, or adjectives that begin with the fifteenth letter of the alphabet. However, there are many nouns that start with O, some common examples include ocean, octopus, onion, opera, office, oven, orchid, orb, oyster, and observatory.
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Common Nouns That Start with O
| Nouns | Examples |
|---|---|
| Oak | Theoaktree was more than 300 years old. |
| Oar | He used anoarto paddle the boat. |
| Oasis | Theoasisprovided a much-needed respite from the desert heat. |
| Oat | The farmer plantedoatsin the field to feed his livestock. |
| Oath | He took anoathto tell the truth in court. |
| Obelisk | Theobeliskstood tall in the city square. |
| Object | She picked up theobjectand examined it closely. |
| Obligation | It’s myobligationto take care of my elderly parents. |
| Observation | Through carefulobservation,she was able to identify the bird species. |
| Observatory | Theobservatorywas equipped with state-of-the-art telescopes. |
| Obstacle | The fallen tree was anobstaclein our path. |
| Occasion | We dressed up for the specialoccasion. |
| Occupation | His占领was a firefighter. |
| Ocean | Theoceanstretched out before them, vast and blue. |
| Octave | The song was written in a highoctave. |
| Octopus | Theoctopuschanged colors to blend in with its surroundings. |
| Odor | Theodorcoming from the trash can was unbearable. |
| Offense | The team’s进攻was too strong for the opposing team to handle. |
| Office | She worked in a busyofficedowntown. |
| Officer | The policeofficerpulled over the speeding car. |
| Official | Theofficialannouncement was made at a press conference. |
| Oil | The car needed anoilchange. |
| Okra | She fried theokrauntil it was crispy and golden brown. |
| Olive | The salad was garnished with slices of ripe greenolives. |
| Omen | The black cat crossing their path was seen as anomenof bad luck. |
| Onset | Theonsetof winter brought cold temperatures and snow. |
| Opera | Theoperawas a grand production with elaborate costumes and sets. |
| Operation | The surgicaloperationwas a success. |
| Operator | The phoneoperatorconnected the call to the correct department. |
| Opinion | Everyone is entitled to their ownopinion. |
| Opportunity | She saw the job opening as anopportunityto advance her career. |
| Opposition | Theoppositionparty had different ideas on how to run the country. |
| Option | The menu had a vegetarianoption. |
| Orange | Theorangewas juicy and sweet. |
| Orbit | The satellite was in a stableorbitaround the earth. |
| Orchestra | Theorchestraplayed a beautiful symphony. |
| Order | She placed anorderfor a pizza with extra cheese. |
| Ordinary | The day was just anordinaryday, nothing special happened. |
| Organ | Theorganwas the largest instrument in the church. |
| Organization | Theorganizationwas dedicated to helping those in need. |
| Origin | Theoriginof the custom is shrouded in mystery. |
| Ornament | The tree was decorated with colorfulornamentsfor the holidays. |
| Orphan | Theorphanwas taken in by a kind-hearted family. |
| Ostrich | Theostrichis the largest bird in the world. |
| Other | Theothersin the group were all doctors, but he was a lawyer. |
| Otter | The playfulotterswam in the pond. |
| Outcome | Theoutcomeof the election was surprising to many people. |
| Outlet | She plugged the lamp into the electricaloutlet. |
| Oval | The track for the race is anovalthat measures 400 meters in length. |
| Oven | She baked a batch of cookies in theoven. |
| Owl | Theowlhooted softly in the night. |
| Owner | Theownerof the store greeted customers with a smile. |
| Ox | Theoxenpulled the heavy cart up the hill. |
| Oxygen | The doctor gave her a dose ofoxygento help her breathe. |
Abstract Nouns That Start with O
| Nouns | Examples |
|---|---|
| Objectivity | The news should be reported withobjectivityand impartiality. |
| Oblivion | The famous singer fell intooblivionafter his scandalous behavior. |
| Obscurity | The author’s work remained inobscurityuntil it was discovered years later. |
| Observation | The scientist made a carefulobservationof the behavior of the monkeys. |
| Occasion | The wedding was a joyousoccasionfor the whole family. |
| Odyssey | The book tells the story of an epicodysseyacross the ocean. |
| Offense | The athlete apologized for his unintentional进攻against the other team. |
| Offering | The churchgoers broughtofferingsto the altar during the service. |
| Offspring | The proud parents watched as theiroffspringgraduated from college. |
| Oneness | The spiritual leader spoke about the importance of achieving a sense ofonenesswith the universe. |
| Openness | The manager encouraged an atmosphere ofopennessand honesty in the workplace. |
| Opportunity | The scholarship provided anopportunityfor the student to attend college. |
| Opposition | The two political parties are inoppositionon many issues. |
| Optimism | Despite the setbacks, the team maintained anoptimisticoutlook for the future. |
| Option | The menu offered a vegetarianoptionfor those who did not eat meat. |
| Order | The waiter took ourorderand brought us our food promptly. |
| Organization | The nonprofitorganizationworked to provide aid to those in need. |
| Orientation | The new employees received anorientationto the company’s policies and procedures. |
| Originality | The artist’s work was praised for itsoriginalityand creativity. |
| Outcome | Theoutcomeof the experiment was unexpected and surprising. |
| Outrage | The community expressedoutrageat the injustice committed against the victim. |
| Outset | The project faced challenges from theoutsetbut was ultimately successful. |
| Ownership | The company claimedownershipof the intellectual property rights to the software. |
Related:Abstract Nouns
Positive Nouns That Start with O
| Noun | Examples |
|---|---|
| Oasis | Theoasisprovided a much-needed refuge from the desert heat. |
| Oblivion | He drank tooblivionand forgot all his problems. |
| Obsession | Hisobsessionwith fitness led him to become a personal trainer. |
| Occasion | The wedding was a joyousoccasionfor all who attended. |
| Ocean | Theoceanwas calm and peaceful, with the sun setting over it. |
| Odyssey | The epicOdysseytook the hero through many trials and tribulations. |
| Offering | The church collectedofferingsto support the local community. |
| Offspring | The proud parents showed off theiroffspringto all their friends. |
| Omega | Theomegarepresents the end of something and the beginning of something else. |
| Oneness | The philosophy of yoga emphasizes theonenessof body and mind. |
| Opal | She wore a beautifulopalnecklace that sparkled in the light. |
| Openness | The company’s culture encouragedopennessand honesty among its employees. |
| Opulence | The hotel was known for itsopulenceand luxury amenities. |
| Oracle | Theoraclepredicted that the king would be victorious in battle. |
| Orbit | The satellite was placed in a geostationaryorbitaround the earth. |
| Order | The judge issued anorderfor the defendant to pay restitution to the victim. |
| Orgasm | The couple experienced intense pleasure during their simultaneousorgasm. |
| Origin | Theoriginof the universe is a subject of great scientific debate. |
| Ornament | The Christmas tree was adorned with beautifulornamentsand lights. |
| Ovation | The audience gave the performer a standingovationfor his outstanding performance. |
| Overcomer | The cancer patient was anovercomerwho refused to let the disease beat her. |
| Overflow | The river experienced anoverflowduring the heavy rain, causing flooding in the nearby areas. |
| Overjoyment | The young child was filled withoverjoymenton Christmas morning. |
| Ownership | Theownershipof the company changed hands after a hostile takeover. |
| Oxymoron | “Jumbo shrimp” is an example of anoxymoron,使用两种截然相反的词在去哪里her. |
Proper Nouns That Start with O
- Obama
- Ohio
- Oklahoma
- Olympus
- Oman
- Oprah
- Orange County
- Oregon
- Orlando
- Osaka
- Oslo
- Oxford
- Oxfam
- Oreo
- Oakley
- Oakland
- Occidental College
- Ocean City
- Ocean Spray
- Oceania
- Odyssey
- Othello
- Ozark
- Ozaukee County
- Ozzy Osbourne
List of Nouns that Start with O
- Oak
- Oasis
- Oath
- Oathe
- Oatmeal
- Obedience
- Obelisk
- Obesity
- Object
- Objectification
- Objection
- Objective
- Objectivity
- Objector
- Obligation
- Oblige
- Obliteration
- Oblivion
- Oboist
- Obscenity
- Obscurity
- Observance
- Observation
- Observer
- Obsession
- Obsidian
- Obstacle
- Obstructionist
- Obverse
- Ocarina
- Occasion
- Occlusion
- Occupancy
- Occupant
- Occupation
- Occurrence
- Ocean
- Oceanography
- Ocelot
- Ocher
- Ochre
- Octahedron
- Octoroon
- Odor
- Odyssey
- Oep
- Offal
- Offender
- Offense
- Offer
- Offering
- Offersey
- Office
- Officer
- Official
- Officialdom
- Offing
- Offspring
- Ohio
- Oil
- Oilcloth
- Oilheating
- Oilseed
- Ointment
- Oiticica
- Okra
- Oleomargarine olive
- Ome
- Omelet
- Omen
- Omission
- Ommission
- Omnipotence
- Oneupmanship
- Onion
- Onlooker
- Onrush
- Onset
- Onslaught
- Ooh
- Ooze
- Open
- Opener
- Opening
- Opera
- Operand
- Operation
- Operator
- Operetta
- Opinion
- Opium
- Opponent
- Opportunism
- Opportunity
- Opposite
- Opposition
- Oppression
- Opprobrium
- Optimality
- Optimism
- Optimization
- Optimum
- Option
- Oracle
- Oration
- Orator
- Oratorio
- Oratory
- Orb
- Orbit
- Orchard
- Orchestra
- Orchestration
- Ordeal
- Order
- Ordering
- Orderly
- Ordinance
- Ordinary
- Ordnance
- Organ
- Organdy
- Organification
- Organism
- Organist
- Organization
- Orgasm
- Orgone
- Orgy
- Orientation
- Origin
- Original
- Originality
- Origination
- Ornament
- Ornamentation
- Orphan
- Orphanage
- Orthicon
- Orthodontist
- Orthography
- Orthophosphate
- Oscillation
- 振荡器
- Osmium
- Ossification
- Ostracism
- Otter
- Ounce
- Ouster
- Outback
- Outbreak
- Outburst
- Outcast
- Outcome
- Outcry
- Outfield
- Outfielder
- Outfit
- Outflow
- Outgrowth
- Outhouse
- Outing
- Outlaw
- Outlawry
- Outlay
- Outlet
- Outline
- Outlook
- Outpatient
- Outpost
- Outpouring
- Output
- Outrage
- Outreach
- Outset
- Outside
- Outsider
- Oval
- Ovation
- Oven
- Overall
- Overcast
- Overcoat
- Overcrowding
- Overestimation
- Overexploitation
- Overflow
- Overhang
- Overhaul
- Overhauling
- Overhead
- Overheating
- Overlay
- Overload
- Overnight
- Overpayment
- Overpopulation
- Overpressure
- Overprotection
- Overriding
- Overrun
- Overseer
- Oversight
- Oversimplification
- Overthrow
- Overtime
- Overture
- Overweight
- Owl
- Owner
- Ownership
- Owning
- Oxalate
- Oxcart
- Oxen
- Oxidation
- Oxide
- Oxygen
- Oxytetracycline
- Oyster
- Ozone
Nouns that Start with O with Meanings
Oak
Obviously, nouns that start with O come in many different shapes and sizes. Oak is a short three-letter word and is the name of a tree. Not only that but the noun can be used to describe the wood from an oak tree as well.
Oasis
Music buffs, we are not talking about the band Oasis, although, that is a noun too. The oasis that’s being referred to here is a fertile area in a dry region. Those who find such places often never want to leave because they’re beautiful, calming, and relaxing.
Ohio
Ohio is only one of fifty states in the United States. It isn’t a small spot, either, so you’ve likely heard the name before. Research reveals that Ohio features an area of 44,825 square miles. It was home to a population of 11.80 million in 2020. However, that number very well could have increased by now, and why wouldn’t it have? People flock to this location for reasons like the weather, the Pro Football Hall of Fame, and the Rock and Roll Hall of Fame.
Office
Next up on this list of nouns that start with O is the word office. An office is a place where people go to perform work duties. This is usually at a location other than their houses, but those who have remote jobs sometimes have home offices as well.
Okra
The okra plant creates long edible beaked pods. This type of food can be eaten alone, as some people enjoy it fried. Meanwhile, others add okra to dishes such as gumbo or vegetable stew.
Some Last Thoughts
So, as you can see, there are plenty of nouns that start with O. The ones listed here barely even begin to scratch the surface. If you want to learn about others, type in a few keywords and perform a Google search. Or are you not about technology? That’s fine. Head to the library or get out that dusty dictionary on the bookshelf and see what you can find.
Nouns That Start with O | Image
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Last Updated on April 19, 2023