11 letter adjectives that start with O
We have listed 115 11-letter adjectives that start with O for you in this WordMom word list. All these 11-letter adjectives starting with O were verified by specialists in the English language.
- obsolescent
- obstetrical
- obstructive
- obliterated
- obsessional
- obsignatory
- obliterable
- obediential
- observative
- objurgatory
- obsecratory
- obimbricate
- ochlocratic
- octonocular
- octodentate
- octolocular
- octoedrical
- odoriferous
- odometrical
- oecumenical
- oesophageal
- oenanthylic
- oeconomical
- oenothionic
- offenseless
- offenceless
- oligomerous
- oligotokous
- oligandrous
- oliganthous
- omnipresent
- omnifarious
- omnipatient
- omniparient
- ontological
- ontogenetic
- oncological
- onagraceous
- onirocritic
- onomantical
- operational
- opinionated
- opportunist
- opprobrious
- openhearted
- operculated
- openmouthed
- opinionable
- opertaneous
- orientating
- orthopaedic
- orthodontic
- originative
- orthostatic
- orbiculated
- orthoscopic
- organizable
- orthotropic
- orthodromic
- orthoepical
- oreographic
- orthometric
- orbitonasal
- orthotomous
- organogenic
- orthotropal
- orangetawny
- oscillating
- oscillatory
- oscillative
- ostreaceous
- ossiculated
- ostrogothic
- ossifragous
- ostriferous
- outstanding
- overflowing
- overexcited
- overanxious
- overweening
- overcareful
- overbearing
- overwrought
- overdressed
- overzealous
- overlooking
- overrefined
- overstuffed
- overserious
- overcharged
- overjealous
- overcurious
- overvaliant
- overforward
- ovuliferous
- overtedious
- overlearned
- overearnest
- overgrassed
- oversubtile
- overbookish
- overelegant
- overpatient
- overscented
- overknowing
- overcapable
- overcarking
- overliberal
- overcunning
- overlogical
- overshadowy
- oxyhydrogen
- oxymuriatic
- ozonoscopic
- ozonometric