Adverbs Starting with O and Containing A

Browse 238 valid English adverbs starting with O and containing A, from Okay, Overall, Overseas, Overhead, Outward, Onward and Overland to rarer terms. Check definitions and spelling below, or visit our verb grammar guide to study adverb placement and -ly formation rules.

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Starts with OA
1 words
oafishly
Starts with OB15 words
obstinately
observationally
obligatorily
objectionably
observantly
observably
obligately
obdurately
obeisantly
obsessionally
obstetrically
oblately
obstructionally
objectionally
obovately
Starts with OC12 words
occasionally
occupationally
oceanographically
oceanward
ocularly
occidentally
octagonally
octahedrally
occipitally
octennially
occlusocervically
ochlocratically
Starts with OE
2 words
oedipally
oenophilically
Starts with OF7 words
officially
offstage
offhand
off-peak
offhandedly
offtrack
officinally
Starts with OH
1 words
ohmically
Starts with OK
1 words
okay
Starts with OL4 words
oligarchically
olfactorily
oligopolistically
oleaginously
Starts with OM
2 words
omakase
omnifariously
Starts with ON17 words
onward
onboard
onstage
onstream
ontologically
onomatopoeically
onbeat
ontogenetically
ontically
onomatopoetically
onwardly
oneirically
onglaze
ontogenically
onomastically
onomatologically
oneirocritically
Starts with OO
1 words
oogamously
Starts with OP22 words
optimistically
optionally
operationally
optimally
optically
opportunistically
operatively
opaquely
operatically
operably
openheartedly
opposably
opinionatedly
openhandedly
ophthalmologically
operantly
opalescently
opinionatively
optatively
opinionately
oppugnantly
ophidiophobically
Starts with OR24 words
originally
ordinarily
organically
orally
organizationally
ornately
orthogonally
ornamentally
orthographically
orbitally
orchestrally
ordinally
orthopedically
orgasmically
orientally
orgastically
oratorically
orientationally
orthodontically
oracularly
orgiastically
ornithologically
originatively
ordinately
Starts with OS10 words
ostentatiously
osmotically
ossia
osteopathically
osteologically
oscilloscopically
oscillographically
osmically
oscitantly
osmometrically
Starts with OT
2 words
otoscopically
othergates
Starts with OU8 words
outward
outwardly
outrageously
outback
outboard
outstandingly
outlandishly
outdatedly
Starts with OV24 words
overall
overseas
overhead
overboard
overland
overhand
overleaf
overwater
overzealously
overarm
overbearingly
overdramatically
overoptimistically
overcautiously
overeagerly
overhanded
overabundantly
overaggressively
overarchingly
overfast
overproportionately
overmany
overcarefully
overenthusiastically
Starts with OX
2 words
oxidatively
oxymoronically

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