Last updated on June 18, 2024 by Isabella Claire
Contents
In the modern English alphabet, Ois the fifteenth letter. In English,Ois the fourth most common letter. It originates in Phoenician times, where it meant “eye.” Although most letters have gone through many changes,Ohas stayed largely the same.Ois usually pronounced “oh” or “aw.”
Words that Start with O
What Are Words that Start with O?
Simple O Words with Examples
See Also
Words That Start With O For Kids| Words | Example Sentences |
|---|---|
| Oak | The old oak tree provided shade on a hot day. |
| Odd | It’s odd that she didn’t show up to the party. |
| Off | Turn off the lights before you leave the room. |
| Oil | The chef drizzled olive oil over the salad. |
| Okay | “Are you okay?” asked the concerned friend. |
| Old | My grandfather is quite old, but he’s still active. |
| One | One of the best books I’ve ever read is “Harry Potter.” |
| Open | Please open the window to let in some fresh air. |
| Orange | The orange fruit is rich in vitamin C. |
| Out | The cat snuck out of the house through the open window. |
Explore more words that start with…
A|B|C|D|E|F|G|H|I|J|K|L|M|N
O|P|Q|R|S|T|U|V|W|X|Y|Z
Positive Words that Start with O
- Oasis
- Oath
- Obedient
- Objective
- Oblige
- Obliging
- Observable
- Observant
- Obtain
- Occasion
- Odyssey
- Offering
- Ok
- Olympian
- Omnipotent
- Omniscient
- Ongoing
- Onset
- Onward
- Open
- Open-minded
- Operable
- Opportune
- Opportunity
- Optimism
- Optimum
- Option
- Opulent
- Orchestrate
- Ordain
- Order
- Orderly
- Organic
- org*sm
- Oriented
- Original
- Originate
- Ornamental
- Ornate
- Outclass
- Outdo
- Outperform
- Outrank
- Outreach
- Outshine
- Outsmart
- Outstanding
- Ovation
- Overjoyed
- Overtake
Explore more: Words that start with O that are positive
Descriptive Words that Start with O
- Oafish
- Obdurate
- Obedient
- Obeisant
- Obese
- Objectionable
- Objective
- Obligated
- Oblong
- Obsolete
- Obtainable
- Obtuse
- Obvious
- Occasional
- Oceanic
- Octagonal
- Octogenarian
- Ocular
- Odd
- Odious
- Offbeat
- Offense
- Offensive
- Official
- Oily
- Old
- Olive
- Olympic
- One
- Only
- Opaque
- Open
- Operatic
- Operating
- Operative
- Opportune
- Opposite
- Orange
- Organic
- Ornate
- Other
- Outbound
- Outdated
- Outer
- Outermost
- Outgoing
- Outrageous
- Outside
- Outspoken
- Overt
Related: Descriptive Words
Adjectives that Start with O
- Oaken
- Oaten
- Obedient
- Obese
- Objectionable
- Oblate
- Obligate
- Obligational
- Obligatory
- Obliging
- Oblique
- Obliterable
- Obliterated
- Oblong
- Obscene
- Obscure
- Observable
- Observant
- Obsolete
- Occasional
- Occult
- Occupied
- Oceanic
- Ocular
- Odd
- Oddest
- Odorless
- Off
- Offbeat
- Offensive
- Offside
- Oily
- Olden
- Olfactory
- Olive
- Omissive
- Omnibus
- One
- Ongoing
- Only
- Open
- Opened
- Operable
- Opportune
- Opposed
- Opposite
- Original
- Orthodox
- Outrageous
- Outstanding
Learn more: Adjectives that start with O
Words that Start with O that are Used to Describe Someone
- Oafish
- Obedient
- Objectionable
- Obliging
- Oblivious
- Obnoxious
- Obsessive
- Obstructive
- Occupied
- Odd
- Odious
- Offbeat
- Offensive
- Old
- Older
- Oldest
- One
- One-sided
- Open
- Opinionated
- Oppressive
- Optimal
- Optimistic
- Orderly
- Ordinary
- Organized
- Orphaned
- Otherwise
- Our
- Outgoing
- Outlandish
- Outmoded
- Outraged
- Outrageous
- Outspoken
- Outstanding
- Overactive
- Overage
- Overbearing
- Overcautious
- Overjoyed
- Overrated
- Overt
- Overweight
- Overwhelmed
- Overwhelming
- Overworked
- Overwrought
- Overzealous
- Own
Discover more: O Words to Describe Someone
Nouns that Start with O
- Oaf
- Oak
- Oar
- Oatmeal
- Obituary
- Object
- Objection
- Occasion
- Occult
- Occupation
- Ocean
- Octopus
- Odometer
- Odor
- Odyssey
- Offender
- Offer
- Office
- Officer
- Official
- Offshoot
- Oil
- Olive
- Omen
- One
- Onion
- Opal
- Opening
- Opera
- Operator
- Orb
- Orbit
- Otter
- Outbreak
- Outcast
- Outcome
- Outcry
- Outdoors
- Outfield
- Outhouse
- Oval
- Ovation
- Oven
- Over
- Overall
- Overcoat
- Owl
- Owner
- Ox
- Oyster
Learn more: Nouns that start with O
Verbs that start with O
- Obey
- Object
- Obligate
- Oblige
- Obscure
- Observe
- Obsess
- Obstruct
- Obtain
- Occlude
- Occupy
- Occur
- Offend
- Offer
- Officiate
- Ogle
- Ogle
- Omit
- Ooze
- Open
- Operate
- Oppose
- Oppress
- Opt
- Optimize
- Orbit
- Orchestrate
- Ordain
- Order
- Organize
- Orientate
- Oust
- Outgrow
- Outlaw
- Outline
- Outsmart
- Outsource
- Overburden
- Overcome
- Overcook
- Overdo
- Overdraw
- Overflow
- Overhaul
- Overload
- Overpower
- Oversee
- Owe
- Own
Find out more: Verbs that start with O
Common Words that Start with O with Examples
| Words | Example Sentences |
|---|---|
| Obedient | The dog was obedient and always followed its owner’s commands. |
| Obese | The doctor warned the patient that they were at risk for health problems due to being obese. |
| Objective | The news article was written with an objective point of view, presenting all sides of the story. |
| Obligation | It is my obligation to attend my sister’s wedding, even though I have a lot of work to do. |
| Obscure | The meaning of the ancient text was obscure, and scholars struggled to decipher it. |
| Obsess | My friend is obsessed with collecting antique dolls and has a whole room dedicated to them. |
| Obsolete | The old computer was obsolete and could no longer run the latest software. |
| Obstruct | The fallen tree obstructed the road and prevented traffic from passing through. |
| Obtain | I need to obtain a copy of my birth certificate for my passport application. |
| Obvious | It was obvious that the politician was lying, as their story kept changing. |
Unique Words that Start with O with Meanings
| Words | Meanings |
|---|---|
| Oasis | A fertile spot in a desert, where water is found |
| Obfuscate | To make something unclear or difficult to understand |
| Oblivion | The state of being completely forgotten or unknown |
| Obsequious | Overly eager to please or obey |
| Odious | Extremely unpleasant or repulsive |
| Officious | Overly eager in offering unwanted advice or services |
| Ogle | To stare at someone or something in a lewd or desirous manner |
| Ominous | Giving the impression that something bad or unpleasant is going to happen |
| Opaque | Not able to be seen through; not transparent |
| Opulent | Rich and luxurious |
| Ornate | Elaborately decorated |
| Ostentatious | Showy, in an attempt to impress others |
| Ostracize | To exclude someone from a society or group |
| Overwrought | In a state of emotional turmoil; excessively nervous or excited |
O Words Image
O Words | List of Words that Start with O
Words that Start with Oa
- Oafish
- Oak
- Oaken
- Oaks
- Oakum
- Oar
- Oars
- Oarsman
- Oarsmen
- Oases
- Oasis
- Oat
- Oaten
- Oath
- Oaths
- Oatmeal
- Oats
Words that Start with Ob
- Obduracy
- Obdurate
- Obedience
- Obedient
- Obediently
- Obeisance
- Obeisant
- Obelisk
- Obelisks
- Oberlin
- Oberon
- Obese
- Obesity
- Obey
- Obeyed
- Obeying
- Obeys
- Obituary
- Object
- Objected
- Objecting
- Objection
- Objectionable
- Objections
- Objective
- Objectively
- Objectives
- Objector
- Objectors
- Objects
- Oblate
- Oblation
- Oblations
- Obligate
- Obligated
- Obligation
- Obligational
- Obligations
- Obligatory
- Oblige
- Obliged
- Obliges
- Obliging
- Obligingly
- Oblique
- Obliquely
- Obliquity
- Obliterable
- Obliterate
- Obliterated
- Obliterating
- Obliteration
- Oblivion
- Oblivious
- Oblong
- Obloquy
- Obnoxious
- Obscene
- Obscenity
- Obscura
- Obscure
- Obscured
- Obscurely
- Obscures
- Obscuring
- Obscurities
- Obscurity
- Obsequies
- Obsequious
- Obsequiously
- Obsequiousness
- Observable
- Observance
- Observances
- Observant
- Observation
- Observations
- Observatories
- Observatory
- Observe
- Observed
- Observer
- Observers
- Observes
- Observing
- Obsess
- Obsessed
- Obsession
- Obsessive
- Obsidian
- Obsolete
- Obstacle
- Obstacles
- Obstante
- Obstinacy
- Obstinate
- Obstinately
- Obstreperous
- Obstruct
- Obstructed
- Obstructing
- Obstruction
- Obstructions
- Obstructive
- Obstructs
- Obtain
- Obtainable
- Obtained
- Obtaining
- Obtains
- Obtrude
- Obtruded
- Obtruding
- Obtrusive
- Obtuse
- Obtuseness
- Obverse
- Obviate
- Obviated
- Obvious
- Obviously
Words that Start with Oc
- Occasion
- Occasional
- Occasionally
- Occasioned
- Occasioning
- Occasions
- Occlude
- Occult
- Occupancy
- Occupant
- Occupants
- Occupation
- Occupational
- Occupations
- Occupied
- Occupier
- Occupiers
- Occupies
- Occupy
- Occupying
- Occur
- Occurred
- Occurrence
- Occurrences
- Occurring
- Occurs
- Ocean
- Oceanic
- Oceans
- Ochre
- Oct
- Octagon
- Octagonal
- Octavo
- October
- Octogenarian
- Octopus
- Ocular
- Oculist
Words that Start with Od
- Odd
- Odder
- Oddest
- Oddities
- Oddity
- Oddly
- Odds
- Odes
- Odious
- Odium
- Odometer
- Odor
- Odoriferous
- Odorless
- Odorous
- Odors
- Odyssey
Words that Start with Oe, Of
- Oeuvre
- Oeuvres
- Of
- Off
- Offal
- Offbeat
- Offence
- Offences
- Offend
- Offended
- Offender
- Offenders
- Offending
- Offends
- Offense
- Offenses
- Offensive
- Offensively
- Offer
- Offered
- Offering
- Offerings
- Offers
- Offhand
- Office
- Officer
- Officered
- Officers
- Offices
- Official
- Officially
- Officials
- Officiate
- Officiated
- Officiating
- Officinalis
- Officio
- Officious
- Officiously
- Officiousness
- Offing
- Offset
- Offshoot
- Offshoots
- Offshore
- Offside
- Offspring
- Often
- Oftener
- Oftenest
- Oftentimes
- Ofttimes
Words that Start with Og, Oh, Oi, Ok
- Ogden
- Ogier
- Ogilvie
- Ogilvy
- Ogle
- Oglethorpe
- Ogling
- Oh
- Oil
- Oilcloth
- Oiled
- Oiling
- Oils
- Oilskin
- Oilskins
- Oily
- Ointment
- Ointments
- Ok
Words that Start with Ol
- Old
- Olden
- Older
- Oldest
- Oldfield
- Oldham
- Oleanders
- Olfactory
- Olga
- Oligarchical
- Oligarchy
- Oliphant
- Olive
- Oliver
- Olives
- Olivet
- Olivia
- Olivier
- Olla
- Olly
- Olney
- Olof
- Olsen
- Olson
- Olympia
- Olympian
- Olympic
- Olympus
Words that Start with Om
- Omaha
- Ombre
- Ombres
- Omega
- Omelet
- Omen
- Omens
- Omer
- Ominous
- Ominously
- Omission
- Omissions
- Omissive
- Omit
- Omits
- Omitted
- Omitting
- Omni
- Omnia
- Omnibus
- Omnibuses
- Omnipotence
- Omnipotent
- Omnipresent
- Omniscience
- Omniscient
- Omnium
- Omnivorous
Words that Start with On
- On
- Once
- Oncoming
- One
- Oneida
- Oneness
- Onerous
- Ones
- Oneself
- One-sided
- Onesimus
- Ongoing
- Onion
- Onions
- Online
- Onlooker
- Onlookers
- Only
- Onset
- Onslaught
- Onto
- Onward
- Onwards
- Ooze
Words that Start with Op
- Opal
- Opalescent
- Opals
- Opaque
- Open
- Opened
- Opening
- Openly
- Open-minded
- Openness
- Opens
- Opera
- Operable
- Operandi
- Operas
- Operate
- Operated
- Operates
- Operatic
- Operating
- Operation
- Operative
- Operatives
- Operator
- Operators
- Opiate
- Opiates
- Opine
- Opined
- Opinion
- Opinionated
- Opinions
- Opium
- Opossum
- Opponent
- Opponents
- Opportune
- Opportunely
- Opportunities
- Opportunity
- Oppose
- Opposed
- Opposer
- Opposers
- Opposes
- Opposing
- Opposite
- Opposites
- Opposition
- Oppositions
- Oppress
- Oppressed
- Oppresses
- Oppressing
- Oppression
- Oppressions
- Oppressive
- Oppressively
- Oppressor
- Oppressors
- Opprobrious
- Opprobrium
- Opt
- Optic
- Optical
- Optics
- Optimal
- Optimism
- Optimist
- Optimistic
- Optimize
- Optimum
- Option
- Optional
- Options
- Opulence
- Opulent
Words that Start with Or
- Or
- Oracle
- Oracles
- Oracular
- Oral
- Orally
- Oran
- Orange
- Oranges
- Oration
- Orations
- Orator
- Oratorical
- Oratorio
- Orators
- Oratory
- Orb
- Orbit
- Orbits
- Orbs
- Orchard
- Orchards
- Orchestra
- Orchestral
- Orchestras
- Orchestrate
- Orchid
- Orchids
- Ordain
- Ordained
- Ordaining
- Ordains
- Ordeal
- Ordeals
- Order
- Ordered
- Ordering
- Orderlies
- Orderliness
- Orderly
- Orders
- Ordinaire
- Ordinaires
- Ordinance
- Ordinances
- Ordinarily
- Ordinary
- Ordination
- Ordnance
- Ordonnance
- Ore
- Ores
- Organ
- Organic
- Organism
- Organisms
- Organist
- Organization
- Organizations
- Organize
- Organized
- Organizer
- Organizers
- Organizing
- Organs
- Organum
- org*sm
- Orgies
- Orgy
- Oriel
- Orient
- Oriental
- Orientalist
- Orientals
- Orientate
- Orientation
- Oriented
- Orifice
- Orifices
- Origen
- Origin
- Original
- Originality
- Originally
- Originals
- Originate
- Originated
- Originates
- Originating
- Origination
- Originator
- Originators
- Origins
- Oriole
- Orisons
- Ornament
- Ornamental
- Ornamentation
- Ornamenting
- Ornaments
- Ornate
- Ornery
- Orphan
- Orphaned
- Orphans
- Orthodox
- Orthodoxy
- Orthography
Words that Start with Os
- Oscar
- Oscillating
- Oscillation
- Oscillations
- Osier
- Osiers
- Osman
- Ostensible
- Ostensibly
- Ostentation
- Ostentatious
- Ostentatiously
- Ostler
- Ostracism
- Ostrich
- Ostriches
Words that Start with Ot, Ou
- Other
- Otherwise
- Otter
- Otters
- Oud
- Ought
- Oughtn’t
- Ounce
- Ounces
- Our
- Ours
- Ourselves
- Oursler
- Oust
- Ousted
- Out
- Outa
- Outbound
- Outbreak
- Outbreaks
- Outbuildings
- Outburst
- Outbursts
- Outcast
- Outcasts
- Outclass
- Outcome
- Outcries
- Outcry
- Outdated
- Outdid
- Outdo
- Outdone
- Outdoor
- Outdoors
- Outer
- Outermost
- Outfield
- Outfit
- Outfits
- Outflanked
- Outflow
- Outgoing
- Outgrow
- Outgrown
- Outgrowth
- Outhouse
- Outhouses
- Outing
- Outlandish
- Outlast
- Outlaw
- Outlawed
- Outlawry
- Outlaws
- Outlay
- Outlet
- Outlets
- Outline
- Outlined
- Outlines
- Outlining
- Outlive
- Outlived
- Outlook
- Outlying
- Outmoded
- Outnumber
- Outnumbered
- Outperform
- Outpost
- Outposts
- Outpouring
- Outpourings
- Output
- Outrage
- Outraged
- Outrageous
- Outrageously
- Outrages
- Outraging
- Outram
- Outran
- Outrank
- Outreach
- Outriders
- Outright
- Outro
- Outros
- Outrun
- Outs
- Outset
- Outshine
- Outshone
- Outside
- Outsider
- Outsiders
- Outsides
- Outskirts
- Outsmart
- Outsource
- Outspoken
- Outspread
- Outstanding
- Outstretched
- Outstrip
- Outstripped
- Outward
- Outwardly
- Outwards
- Outweigh
- Outweighed
- Outweighs
- Outwit
- Outwitted
- Outwork
- Outworks
- Outworn
- Ouverte
Words that Start with Ov
- Ova
- Oval
- Ovals
- Ovaries
- Ovary
- Ovate
- Ovation
- Oven
- Ovens
- Over
- Overactive
- Overage
- Overall
- Overalls
- Overawe
- Overawed
- Overbalance
- Overbalanced
- Overbearing
- Overboard
- Overborne
- Overburden
- Overburdened
- Overcame
- Overcast
- Overcautious
- Overcharged
- Overcoat
- Overcoats
- Overcome
- Overcomes
- Overcoming
- Overcook
- Overcrowded
- Overdo
- Overdoing
- Overdone
- Overdraw
- Overdrawn
- Overdue
- Overestimate
- Overestimated
- Overflow
- Overflowed
- Overflowing
- Overflows
- Overgrown
- Overhang
- Overhanging
- Overhangs
- Overhaul
- Overhauled
- Overhauling
- Overhead
- Overhear
- Overheard
- Overhearing
- Overheated
- Overhung
- Overjoyed
- Overladen
- Overlaid
- Overland
- Overlap
- Overlapping
- Overlay
- Overload
- Overloaded
- Overlook
- Overlooked
- Overlooking
- Overlooks
- Overlord
- Overlying
- Overmastered
- Overmastering
- Overmuch
- Overnight
- Overplus
- Overpower
- Overpowered
- Overpowering
- Overpowers
- Overran
- Overrate
- Overrated
- Overreach
- Overreached
- Override
- Overrule
- Overruled
- Overruling
- Overrun
- Overrunning
- Oversea
- Overseas
- Oversee
- Overseer
- Overseers
- Overset
- Overshadow
- Overshadowed
- Overshadowing
- Overshadows
- Overshoes
- Overshot
- Oversight
- Overslept
- Overspread
- Overstep
- Overstepped
- Overstrained
- Overt
- Overtake
- Overtaken
- Overtakes
- Overtaking
- Overtaxed
- Overthrew
- Overthrow
- Overthrowing
- Overthrown
- Overthrows
- Overtime
- Overton
- Overtook
- Overtop
- Overtopped
- Overture
- Overtures
- Overturn
- Overturned
- Overturning
- Overview
- Overweening
- Overweight
- Overwhelm
- Overwhelmed
- Overwhelming
- Overwhelmingly
- Overwhelms
- Overwork
- Overworked
- Overwrought
- Overzealous
- Ovum
Words that Start with Ow, Ox, Oy
- Owe
- Owed
- Owes
- Owing
- Owl
- Owls
- Owl’s
- Own
- Owned
- Owner
- Owners
- Ownership
- Owning
- Owns
- Ox
- Oxalic
- Oxen
- Oxford
- Oxidation
- Oxide
- Oxides
- Oxidized
- Oxidizing
- Oxygen
- Oyster
- Oysters
- Oz
- Ozone
Words that Start with O | Images
Resources Related to Words with O
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