Verbs That Start with O

Find 1,008 valid English verbs starting with O, including Open, Order, Okay, Offer, Oil, Object and Option. Check definitions and usage below, or visit our verb grammar guide to review conjugation tables and tense rules.

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Starts with OA2 words
oar
oared
Starts with OB24 words
object
obtain
observe
obey
obscure
oblige
obsolete
obsess
obstruct
oblique
obligate
obliterate
objectify
obviate
obfuscate
obtrude
obtunded
obsolesce
objectivize
obiit
obtund
obturate
objectivate
objurgate
Starts with OC10 words
occur
occasion
occupy
occult
occlude
ocher
octuple
occidentalize
occupate
octuplicate
Starts with OD1 words
odorate
Starts with OF12 words
off
offer
officer
offset
offend
offshore
offload
officiate
offramp
officialize
offprint
offsaddle
Starts with OG1 words
ogle
Starts with OH1 words
oh
Starts with OI5 words
oil
oink
oilcan
oilproof
oint
Starts with OK2 words
ok
okay
Starts with OL4 words
ollie
olfact
oligomerize
oloupit
Starts with OM3 words
omit
omen
omnify
Starts with ON4 words
onboard
onshore
onload
ontake
Starts with OO4 words
ooh
ooze
oop
oophorectomize
Starts with OP24 words
open
option
operating
operate
oppose
optimize
opt
opaque
oppress
opiate
opine
operationalize
ope
opencast
oppugn
opinionize
opsonize
opacify
opalesce
opiated
opsonify
oppilate
opinionate
operatize
Starts with OR19 words
order
organize
oriented
orbit
originate
orphan
orb
orgasm
ornament
orient
ordain
orchestrate
orientate
orate
ordinate
orienteer
orthogonalize
orientalize
orcharding
Starts with OS6 words
oscillate
ostracize
ossify
osculate
osmose
oscitate
Starts with OT1 words
other
Starts with OU24 words
out
ought
output
outline
outfit
outrage
outreach
outlaw
outweigh
outsourcing
outsource
outperform
outsmart
outcry
outflow
outlive
oust
outrun
outstrip
outlast
outnumber
outsell
outdo
outshine
Starts with OV24 words
overcome
overnight
overwhelming
overview
overlook
overwhelm
overweight
overdose
override
overlap
overtake
overflow
overthrow
overturn
overload
overlay
oversee
overrated
overhaul
overture
overrun
overhang
overhear
overreact
Starts with OW3 words
own
owe
owerloup
Starts with OX5 words
oxidize
oxygenate
oxidate
oxter
oxygenize
Starts with OY1 words
oyster
Starts with OZ2 words
ozonate
ozonize

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