Words that Start with O: List of 240+ O Words with Useful Examples

Words that Start with O! In this lesson, you will learn a list of common words that start with O in English with ESL picture and useful example sentences to help you enhance your vocabulary words.

Words that Start with O

List of Words that Start with O

  • Oases
  • Oasis
  • Oast
  • Oas
  • Oat
  • Oatcake
  • Obama
  • Obedience
  • Obedient
  • Obediently
  • Obeyed
  • Object
  • Objected
  • Objecting
  • Objection
  • Objectives
  • Objectors
  • Objects
  • Obligable
  • Obligate
  • Obligated
  • Obligately
  • Obligates
  • Obligating
  • Obligation
  • Obligational
  • Obscure
  • Obscured
  • Obscurely
  • Observation
  • Observational
  • Observationally
  • Observations
  • Observes
  • Obsessions
  • Obsessive
  • Obsessively
  • Obstructive
  • Obstructively
  • Obtain
  • Occident
  • Occidental
  • Occidentalise
  • Occidentalize
  • Occidentally
  • Occidents
  • Occupancy
  • Occupant
  • Occupants
  • Occupation
  • Occupational
  • Occupationally
  • Occupations
  • Occupied
  • Occupier
  • Occupiers
  • Occupies
  • Occupy
  • Occupying
  • Occur
  • Occurred
  • Occurrence
  • Occurrences
  • Occurrent
  • Occurrents
  • Occurring
  • Occurs
  • Ocean
  • Oceans
  • Octagon
  • Octagonal
  • Octagonally
  • Of
  • Off
  • Offal
  • Offals
  • Offbeat
  • Offbeats
  • Offcast
  • Offcasts
  • Offcut
  • Offcuts
  • Offed
  • Offence
  • Offenceless
  • Offences
  • Offend
  • Offended
  • Offender
  • Offenders
  • Offending
  • Offends
  • Offense
  • Offenseless
  • Offenses
  • Offensive
  • Offensively
  • Offensiveness
  • Offensives
  • Offer
  • Offered
  • Offerer
  • Offerers
  • Offering
  • Offerings
  • Offeror
  • Offerors
  • Offers
  • Officer
  • Officered
  • Officering
  • Officers
  • Offices
  • Official
  • Officialise
  • Officialism
  • Officialisms
  • Officialize
  • Officially
  • Offline
  • Offsides
  • Offspring
  • Offsprings
  • Offstage
  • Oh
  • Oilskin
  • Oilskins
  • Oilstone
  • Oilstones
  • Oilway
  • Oilways
  • Oily
  • Ok
  • Oka
  • Okapi
  • Okapis
  • Okas
  • Okay
  • Okayed
  • Okaying
  • Okays
  • Oke
  • Okes
  • Okey
  • Old
  • Olden
  • Older
  • Oldest
  • Olive
  • Olympiads
  • Olympian
  • Olympic
  • Ombre
  • Ones
  • Oneself
  • Onion
  • Online
  • Only
  • Onscreen
  • Onset
  • Onsets
  • Onshore
  • Onside
  • Open
  • Openable
  • Opencast
  • Opencut
  • Opened
  • Operating
  • Operation
  • Operational
  • Opportunity
  • Opposite
  • Oppositely
  • Optic
  • Optical
  • Optically
  • Optician
  • Optimist
  • Optimistic
  • Orange
  • Orchard
  • Order
  • Ordinal
  • Ordinally
  • Orient
  • Originally
  • Originals
  • Originate
  • Originated
  • Other
  • Otherness
  • Others
  • Otherwhere
  • Otherwise
  • Ourselves
  • Outdate
  • Outdoor
  • Outfit
  • Outgoings
  • Outlaw
  • Outline
  • Output
  • Outsource
  • Outspoken
  • Outstate
  • Oval
  • Oven
  • Overall
  • Overalled
  • Overbalance
  • Overbalanced
  • Overbalances
  • Overbalancing
  • Overcall
  • Overcalled
  • Overcast
  • Overcome
  • Overeducate
  • Overeducated
  • Overeducates
  • Overeducating
  • Overeducation
  • Overstress
  • Overstressed
  • Overstresses
  • Overtake
  • Overtaken
  • Ow
  • Owe
  • Owed
  • Ower
  • Owes
  • Owing
  • Owl
  • Oxen
  • Oxes
  • Oxeye
  • Oxeyes
  • Oxford
  • Oxfords
  • Oxy
  • Oxygen
  • Oxytocin
  • Oyster

Words that Start with O with Examples

  • Suddenly, an oasis started up before us.
  • My mind felt like oat bran stirred with a spoon.
  • Joseph seemed sitting in a sort of Elysium alone, beside a roaring fire; a quart of ale on the table near him, bristling with large pieces of toasted oatcake; and his black, short pipe in his mouth.
  • He lived in obedience to the church’s teachings.
  • An object was magnified 200 times by the microscope.
  • His objection was couched in the strongest terms.
  • It is an obligate parasite with a complex life cycle.
  • It’s her moral obligation to tell the police what she knows.
  • There are many minor and obscure poets in the age of Elizabeth.
  • She was admitted to the hospital for observation.
  • 95% of patients know their obsessions are irrational.
  • Obsessive perfectionism can be very irritating.
  • Prices are based on full occupancy of an apartment.
  • How much memory does the program occupy?
  • Miracles sometimes occur, but one has to work terribly hard for them.
  • In the search of rapid growth index props up the market, the competitive pattern is occurrent change.
  • What is any ocean but a multitude of drops?
  • Never put off till tomorrow what can [may] be done today. 
  • A journey of a thousand miles begins with a single step.
  • It is an offence to sell intoxicating liquor to anyone under the age of 18.
  • The book might be published without creating offense.
  • The hotel has a special offer of five nights for the price of three.
  • The official report basically exonerated everyone.

Learn more with words that start with N in English.

Words that Start with O Infographic

Words that Start with O: List of 240+ O Words with Useful Examples

Words that Start with O: List of 240+ O Words with Useful Examples 1

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