Adjectives That Start With O - Your Info Master

There are many Adjectives that start with O. Adjectives that start with O have an essential function in English. O adjectives offer additional details, such as shape, size, and color. Adjectives can answer questions such as “What kind?” “Which one?” “Whose?” or “How many?”

First you should read article about “What are adjectives?”

Contents hide

1 List of Adjectives That Start With O

2 Conclusion

3 Recap of what we just learned?

4 More Articles

It is a fact that there are too many beautiful adjectives that begin with O that it is challenging to decide.

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List of Adjectives That Start With O

This list of adjectives that start with O presents you with every adjective from O that’s useful to enhance O letter vocabulary.

Explore the full list of Adjectives A to Z!

Oafish
Oak
Oaken
Obdurant
Obdurate
Obedible
Obedient
Obediential
Obedt
Obeisant
Obeisaunt
Obese
Obfuscatory
Obituary
Object-based
Objectionable
Objectional
Objective
Objectless
Object-oriented
Objectual
Oblate
Oblationary
Obligate
Obligated
Obligational
Obligatory
Obliged
Obliging
Oblike
Oblimin
Oblique
Obliquid
Oblite
Obliterable
Obliterated
Obliterative
Oblivious
Oblong
Obnoxious
Obscene
Obscurant
Obscure
Obsequious
Observable
Observant
Observational
Observed
Observing
Obsessed
Obsessional
Obsessive
Obsignatory
Obsolescent
Obsolete
Obsoleter
Obstacle-ridden
Obstacular
Obstetric
Obstetrical
Obstetricious
Obstetrick
Obstinant
Obstinate
Obstreperous
Obstructed
Obstructive
Obstruent
Obtainable
Obtrusive
Obtuse
Obtuse-angled
Obverse
Obviating
Obvious
Occasional
Occidental
Occipital
Occluded
Occlusal
Occluse
Occlusional
Occlusive
Occulent
Occulomotor
Occult
Occultic
Occultistic
Occultive
Occultural
Occupational
Occupiable
Occupied
Occurrent
Ocean-going
Oceanic
Oceanward
Ocellar
Ocellated
Ocher
Ochre
Ochreous
Ochrous
Ocreate
Octabasic
Octacore
Octacosanoic
Octacyclic
Octagonal
Octahedral
Octal
Octameric
Octangular
Octanoic
Octogenarian
Octogynous
Octoic
Octoid
Octolateral
Octolocular
Octonary
Octonionic
Octonocular
Octopaminergic
Octopartite
Octopean
Octopetalous
Octopian
Octopic
Octopine
Octoploid
Octopodal
Octopodous
Octopoid
Octopoidal
Octopolar
Octosyllabic
Octuple
Ocular
Odd
Oddish
Odds-on
Odd-toed
Odic
Odiferous
Odinic
Odious
Odobenine
Odometric
Odometrical
Odontoid
Odorant
Odoriferous
Odorless
Odorous
Odourful
Odourless
Oecumenic
Oecumenical
Oedematous
Oedipal
Oenological
Oenophilic
Oestral
Oestrogenic
Oestrous
Off
Off-air
Off-base
Off-beam
Offbeat
Off-book
Off-broadway
Off-campus
Off-center
Off-colour
Offduty
Offenceless
Offended
Offending
Offensive
Off-field
Off-guard
Offhand
Off-hand
Official
Officiary
Officinal
Officious
Offish
Off-key
Off-kilter
Off-limits
Offline
Off-line
Off-peak
Off-piste
Off-put
Offputting
Off-putting
Off-road
Off-sale
Offscreen
Off-screen
Offshore
Offside
Offsides
Offsite
Off-site
Offstage
Off-street
Off-target
Off-the-ball
Off-the-cuff
Off-the-peg
Off-the-rack
Off-the-record
Off-the-shelf
Off-the-shoulder
Off-the-wall
Off-track
Off-white
Oft-repeated
Ogival
Ogreish
Ohmic
Oily
OK
Okay
Old
Olde
Olden
Older
Oldest
Oldfashioned
Old-fashioned
Old-growth
Old-hat
Oldish
Oldline
Old-line
Old-maidish
Old-school
Old-time
Old-world
Ole
Oleaceous
Oleaginous
Oleanolic
Olefinic
Oleic
Olent
Oleochemical
Oleographic
Oleophilic
Oleophobic
Oleoresinous
Oleose
Oleraceous
Olfactive
Olfactory
Oligaemic
Oligarchic
Oligarchical
Oligomeric
Oligopolistic
Oligosaline
Oligosemic
Oligosynaptic
Oligotrichous
Oligotrophic
Oliguric
Olivary
Olive
Olivelike
Olympian
Olympic
Omakase
Omani
Omasal
Ominous
Omissible
Omissive
Ommatidial
Omnibus
Omnidirectional
Omnipotent
Omnipresent
Omniscient
Omnivorous
Omohyoidean
Omophagic
Omophagous
Omosternal
Omotic
Omphacine
Omphacitic
Omphalic
Omphalinoid
On
On-air
Onanistic
On-camera
On-campus
Once-removed
Oncogenetic
Oncogenic
Oncogenomic
Oncologic
Oncological
Oncoming
One
One-armed
One-day
One-eighth
One-eyed
One-fifth
One-fourth
One-gallused
One-half
One-handed
Oneiric
One-legged
One-ninth
One-note
One-off
One-on-one
One-piece
One-pot
One-quarter
Onerous
One-seventh
One-shot
Onesided
One-sided
One-sixth
One-stop
One-tenth
One-third
Onetime
One-time
One-to-one
One-touch
One-track
One-way
Ongoing
On-going
On-hand
Onioned
Onionless
Onionlike
Oniony
Oniric
Onirocritic
Onkus
Onlest
Onlie
Online
On-line
Onlooking
Only
On-off
Onomastic
Onomatopoeic
On-road
Onrushing
On-scene
Onscreen
On-screen
Onshore
Onside
Onsite
On-site
Onstage
On-stage
On-the-job
On-the-spot
Ontic
Ontogenetic
Ontologic
Ontological
Onward
Onygenaceous
Onymous
Onyx
Oo
Oob
Oofy
Oolitic
Oozy
Opacating
Opacifiable
Opacous
Opacular
Opalescent
Opaline
Opaque
Open
Openable
Open-air
Open-and-shut
Open-armed
Open-book
Opencast
Opencut
Opened
Open-ended
Open-eyed
Open-faced
Openhanded
Open-handed
Openhearted
Open-hearted
Open-hearth
Opening
Open-minded
Open-mouthed
Open-plan
Opensightly
Opensource
Opephoroid
Operable
Operant
Operatic
Operating
Operational
Operationalist
Operative
Opercular
Operculate
Operculated
Operose
Ophidian
Ophiolitic
Opiate
Opinionated
Oppilative
Opponent
Opportune
Opportunist
Opportunistic
Opposable
Opposed
Opposing
Opposite
Oppositional
Oppositive
Oppressed
Oppressional
Oppressive
Opprobrious
Opsonic
Optative
Opthalmic
Optic
Optical
Optimal
Optimific
Optimistic
Optimum
Optional
Optoelectronic
Optokinetic
Optomotor
Optospintronic
Optothermal
Optotypic
Optronic
Opulent
Opuntiaceous
Oracular
Oral
Orange
Orangey
Orangish
Orangy
Oratorial
Oratorian
Oratorical
Orbicular
Orbiculate
Orbital
Orbitary
Orbitual
Orbless
Orblike
Orchestral
Orchestrated
Orcish
Ordained
Ordeal
Orderable
Ordered
Orderly
Ordinal
Ordinary
Ordinate
Ordurous
Orectic
Oregonian
Organic
Organismal
Organismic
Organized
Orgasmic
Orgastic
Orgiastic
Orgulous
Orient
Oriental
Orientated
Orientating
Orientational
Oriented
Orienting
Origenian
Origenist
Origenistic
Originable
Original
Originary
Originative
Originless
Orinasal
Orinocan
Orkish
Ornamental
Ornate
Ornery
Ornithogenic
Ornithological
Ornithophilous
Orogastric
Orogenic
Orogenital
Orographic
Orographical
Orolabial
Orolingual
Orological
Oromucosal
Oronasal
Oroqen
Orosensory
Orosirian
Orotund
Orphaned
Orphic
Orthodontic
Orthodox
Orthoepic
Orthogenetic
Orthogenic
Orthognathic
Orthogonal
Orthograde
Orthologous
Orthometric
Orthopedic
Orthoptic
Orthorhombic
Orthostatic
Orthotopic
Orthotropic
Orwellian
Os
Oscillating
Oscillatory
Oscine
Oscitant
Osculating
Osculatory
Osmobiotic
Osmolar
Osmometric
Osmotic
Osseous
Ossicular
Ossiculate
Ossiferous
Ossified
Ossom
Os-specific
Osteal
Ostensible
Ostensive
Ostentatious
Osteoarthritic
Osteogenetic
Osteogenic
Osteoid
Osteopathic
Osteoporotic
Ostial
Ostrich-like
Other
Otherwise
Other-worldly
Otic
Otoscopic
Ototoxic
Otter
Otterless
Otterlike
Out
Out of work
Out-and-out
Outback
Outboard
Outbound
Outbred
Outcast
Outclassed
Outcoming
Outcut
Outdacious
Outdate
Outdated
Outdoor
Outdoorsy
Outer
Outermost
Outfitted
Outflowing
Outflung
Outgoing
Outgunned
Outjutting
Outland
Outlandish
Outlaw
Outlawed
Outlined
Outlying
Outmoded
Outmost
Out-of-body
Out-of-character
Out-of-context
Out-of-court
Out-of-date
Out-of-order
Out-of-pocket
Out-of-print
Out-of-service
Out-of-state
Out-of-town
Out-of-work
Outraged
Outrageous
Outright
Outshore
Outside
Outsize
Outsized
Outspoken
Outspread
Outstanding
Outward
Ouvrierist
Oval
Ovaloid
Ovarian
Ovate
Ovation
Ovenproof
Oven-proof
Over
Overabundant
Overachiever
Overachieving
Overactive
Overage
Overaged
Overaggressive
Overalert
Overall
Overalled
Overanxious
Overapt
Overarm
Overattentive
Overawed
Overbanked
Overbearing
Overblown
Overbold
Overbooked
Overbreathed
Overburdened
Overbusy
Overcareful
Overcast
Overcautious
Overcharged
Overcivilized
Overclad
Overclaimed
Overclear
Overclose
Overclothed
Overcluttered
Overcoached
Overcoated
Overcoatless
Overcoming
Overcommitted
Overcomplicated
Overconcerned
Overconfident
Overconscientious
Overconscious
Overconsiderate
Overcounted
Overcritical
Overcurious
Overdamped
Overdelicate
Overdependent
Overdetermined
Overdeveloped
Overdocumented
Overdominant
Overdone
Overdoped
Overdosed
Overdramatic
Overdressed
Overdue
Overeager
Overeducated
Over-educated
Over-elaborate
Overemotional
Overemphatic
Overenthusiastic
Overexcitable
Overexcited
Overexerted
Overexerting
Overexposed
Overextended
Overfamiliar
Overfatigued
Overfed
Overflowing
Overfocused
Overfond
Over-fond
Overforceful
Overforested
Overforward
Overfragrant
Overfraught
Overfree
Overfreighted
Overfrequent
Overfriendly
Overfriezed
Overfruitful
Overfucked
Overful
Overfulfilled
Overfull
Overfurnished
Overfussy
Overgenerous
Overgreedy
Overgrown
Overhand
Overhanded
Overhasty
Overhead
Overheated
Overhyped
Overinclusive
Overindebted
Overindulgent
Overinformed
Overintense
Overinvested
Overinvolved
Overionized
Overish
Overjealous
Overjittery
Overjoyed
Overjoyous
Overjubilant
Overjust
Overkeen
Overladen
Overland
Overlarge
Overlayered
Overloaded
Overlookable
Overlooked
Overly
Overlying
Overmastering
Overmighty
Overmodest
Overmotivated
Overmuch
Overmuscled
Overneat
Overnew
Overnice
Overnight
Overnighter
Overoptimistic
Overpessimistic
Overplayful
Over-polite
Overpriced
Overproof
Overprotective
Overproud
Overqualified
Overraced
Overracked
Overrank
Overrash
Over-rated
Overreaching
Overreactive
Over-reactive
Overread
Overready
Overrefined
Overriding
Overripe
Over-ripe
Oversea
Overseas
Oversensitive
Over-sensitive
Overserious
Oversewn
Oversexed
Overshot
Oversimplistic
Oversize
Oversized
Overslow
Oversmoothed
Oversnowed
Oversocialized
Oversoft
Oversolar
Oversolicitous
Oversophisticated
Oversparred
Overspecific
Overspeeding
Overstated
Oversteered
Overstimulated
Overstrung
Overstuffed
Oversubscribed
Oversuspicious
Overt
Over-the-counter
Over-the-top
Overtight
Overtired
Overtouristed
Overtroubled
Overtrusting
Overturnable
Overturned
Overuniform
Overvaliant
Overwater
Overweening
Overweight
Overwhelmed
Overwhelming
Overwrought
Overzealous
Over-zealous
Ovid
Oviform
Ovigerous
Oviparous
Ovular
Ovulational
Ower
Owing
Owlish
Own
Owned
Ownerless
Oxalic
Oxblood
Oxeyed
Ox-eyed
Oxidized
Oxlike
Oxonian
Oxyacetic
Oxygenic
Oxyntic
Oxytocic
Oyster
Oysterish
Oysterless
Oysterlike
Oystery
Ozone-friendly

Conclusion

I hope you have enjoyed looking through our list of adjectives that start with O. The best way to describe something is by using O adjectives to convey precisely what you want to share.

According to my opinion read the above easy listing of English adjectives that start with O to expand your vocabulary.

Instruct your children to master these fundamental but commonly used adjectives that start with O by following the example provided in the previous paragraph. Keep this list of English adjectives that start with O to be handy for use in the future.

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Recap of what we just learned?

Adjectives That Start With O
List of Adjectives That Start With O

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