Words that Start with O

Words that Start with O: 230 Powerful Words Starting with O in English

Words that start with O!!! There are many words beginning with letter O in English. Below is a useful list of power English words that start with O. You’ll also find example sentences to help show context for each word.

Words that Start with O

Words that Start with O List

  • Oyster
  • Oxymoron
  • Oxygen
  • Owning
  • Ownership
  • Owner
  • Owned
  • Ovulate
  • Overwrought
  • Overwhelm
  • Overweight
  • Overview
  • Overturn
  • Overtime
  • Overthrow
  • Overt
  • Oversight
  • Oversee
  • Overseas
  • Overrun
  • Override
  • Overreact
  • Overnight
  • Overly
  • Overlay
  • Overlap
  • Overheard
  • Overhead
  • Overhaul
  • Overcome
  • Overcoat
  • Overall
  • Over
  • Oven
  • Ovation
  • Ovary
  • Outwit
  • Outweigh
  • Outstanding
  • Outspoken
  • Outsource
  • Outskirts
  • Outsider
  • Outside
  • Outright
  • Outreach
  • Outraged
  • Outrage
  • Output
  • Outpost
  • Outperform
  • Outpace
  • Outnumber
  • Outlook
  • Outlining
  • Outlined
  • Outline
  • Outlier
  • Outlet
  • Outlaw
  • Outlast
  • Outlandish
  • Outgoing
  • Outfitted
  • Outfit
  • Outer
  • Outdoor
  • Outdated
  • Outcry
  • Outcome
  • Outbreak
  • Outage
  • Ouster
  • Oust
  • Ourselves
  • Ought
  • Otherwise
  • Others
  • Other
  • Ostrich
  • Oscillate
  • Orphan
  • Ornament
  • Originate
  • Originally
  • Original
  • Origin
  • Orientation
  • Organizer
  • Organize
  • Organization
  • Organism
  • Organic
  • Organ
  • Ordinary
  • Ordering
  • Ordered
  • Order
  • Ordeal
  • Orchid
  • Orchard
  • Orbiting
  • Orbital
  • Orbit
  • Oratory
  • Oration
  • Orange
  • Oral
  • Opulent
  • Optional
  • Option
  • Optimize
  • Optimization
  • Optimistic
  • Optimism
  • Optimal
  • Optical
  • Optic
  • Oppressive
  • Oppress
  • Opposition
  • Opposite
  • Oppose
  • Opportunity
  • Opportune
  • Opponent
  • Opossum
  • Opinion
  • Opine
  • Operator
  • Operational
  • Operation
  • Operate
  • Openness
  • Openly
  • Opening
  • Opened
  • Open
  • Ooze
  • Oodles
  • Onus
  • Onto
  • Onslaught
  • Onset
  • Onscreen
  • Only
  • Online
  • Onion
  • Ongoing
  • Onerous
  • Once
  • Onboard
  • Omniscient
  • Omnipresent
  • Omnipotent
  • Omit
  • Ominous
  • Omen
  • Olive
  • Oldest
  • Older
  • Okay
  • Oil
  • Often
  • Offspring
  • Offshore
  • Offset
  • Offline
  • Officious
  • Officiate
  • Officials
  • Officially
  • Official
  • Officer
  • Office
  • Offer
  • Offensive
  • Offense
  • Offender
  • Offend
  • Odor
  • Odometer
  • Odium
  • Odious
  • Odds
  • Octopus
  • Ocean
  • Occurrence
  • Occur
  • Occupy
  • Occupational
  • Occupation
  • Occasionally
  • Occasional
  • Occasion
  • Obviously
  • Obvious
  • Obviate
  • Obtuse
  • Obtrude
  • Obtain
  • Obstruct
  • Obstreperous
  • Obstinate
  • Obstacle
  • Obsolete
  • Obsess
  • Observer
  • Observe
  • Observation
  • Obsequious
  • Obscure
  • Obnoxious
  • Obloquy
  • Oblivious
  • Obliterate
  • Oblige
  • Obligation
  • Obligate
  • Objective
  • Objected
  • Object
  • Obituary
  • Obfuscate
  • Obey
  • Obeisance
  • Obdurate
  • Oasis
  • Oaf
  • October

Words that Start with O Examples

  • An oyster that has grown large enough to breed is a great success, in oyster terms.
  • Thursday evening, the work prompted an instant trip to the depths of an oxymoron.
  • Ozone is produced by the reaction between oxygen and ultra-violet light.
  • Federal law prohibits foreign airlines from owning more than 25% of any U.S. airline.
  • A brand was a mark of ownership burned into the hide of an animal with a hot iron.
  • The owner of the store was sweeping his floor when I walked in.
  • Only when the means of production were communally owned would classes disappear.
  • Some women ovulate irregularly because their pituitary glands secrete too much prolactin.
  • He thought she was overwrought and the best way of dealing with that was a good night’s sleep.
  • In an argument, he never tried to overbear or overwhelm the opponent by intellectual bludgeoning.
  • I’m a bit overweight. It can also mean too fat, especially so that you are not fit.
  • I’ll give you a brief overview of what the job involves.
  • They are part of a campaign to overturn the county’s decision to spray on private property if needed.
  • I resent the obloquy that you are casting upon my reputation.
  • The government seems oblivious to the likely effects of the new legislation.
  • What I tried to do was obliterate this life and replace it with another, a more perfect one.
  • Mr. Oakley always has been ready to oblige journalists with information.
  • We attended the party more out of a sense of obligation than anything else.
  • The parents of a proband are obligate heterozygotes and therefore carry one mutant allele.
  • The objective of the research is to gain a better insight into labor market processes.
  • You know I have no intention of being awkward and obstreperous.

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Words that Start with O in English

Words that Start with O

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Words that Start with O

Words that Start with O: 230 Powerful Words Starting with O in English 1

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