9 letter adjectives that start with O
We have listed 161 9-letter adjectives that start with O for you in this WordMom word list. All these 9-letter adjectives starting with O were verified by specialists in the English language.
- obligated
- obstetric
- obstinate
- oblivious
- obnoxious
- obtrusive
- obfuscate
- obviating
- objective
- observant
- observing
- obsessive
- obstruent
- obturator
- obligable
- obconical
- obcordate
- obeliscal
- obsequent
- obvoluted
- oblongish
- obomegoid
- obumbrant
- obversant
- octagonal
- occlusive
- occurrent
- ocellated
- occipital
- occludent
- octastyle
- octennial
- octostyle
- oculiform
- occiduous
- ochreated
- octaedral
- octogonal
- odourless
- odorating
- oecumenic
- oenanthic
- offending
- offensive
- officious
- offhanded
- offerable
- officiary
- officinal
- olfactory
- oleaceous
- olfactive
- oligocene
- olecranal
- olivelike
- olivaster
- oligistic
- omissible
- omophagic
- omphacine
- onomastic
- oncologic
- ontogenic
- ontologic
- onomantic
- oological
- operating
- operative
- opportune
- oppressed
- opposable
- opinioned
- oppugnant
- opthalmic
- opinative
- opiniated
- opiniatre
- optigraph
- opiparous
- ophidioid
- ophidious
- oparcular
- opiferous
- orbicular
- organized
- orgiastic
- orienting
- organised
- orthoptic
- originary
- organical
- orthotone
- oraculous
- orwellian
- orderable
- orderless
- orthoepic
- oratorial
- oratorian
- orgillous
- ordonnant
- originant
- organific
- orchidean
- ordinable
- orbituary
- ostensive
- ossicular
- ossifying
- ostentive
- ostentous
- ostracoid
- otherwise
- otolithic
- outnumber
- outspoken
- outspread
- outermost
- outfitted
- outdoorsy
- outrigged
- outlinear
- oviparous
- overhasty
- overlarge
- overlying
- overnight
- oversized
- overeager
- overjoyed
- overladen
- oversexed
- overgrown
- overblown
- overproud
- overbuilt
- overrated
- overtired
- overlusty
- overproof
- overlight
- overrigid
- overgreat
- oviferous
- overhappy
- overdight
- overhardy
- overheavy
- overready
- overmoist
- ovaliform
- overawful
- overgross
- ovigerons
- ownerless
- oxidative
- oxygenous
- oxygonial
- oxyacetic
- oxybromic
- oxyphenic