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Learner's Dictionary
Dictionary
Grammar
Word lists
Editorial
Words starting with
O
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
o
character
O Canada
noun
O RLY
interjection
o-fer
noun
o'brien
noun
o'casey
noun
o'clock
adverb
o'clock
adverb
o'connor
noun
O'Dare
noun
o'er
adverb
o'er
adverb
o'flaherty
noun
o'hara
noun
o'keeffe
noun
o'neill
noun
O'odham
noun
O'Reilly
noun
o'toole
noun
OA
preposition
OADM
noun
oaf
noun
oafish
adjective
oafishly
adverb
oafishness
noun
oafs
noun
oahu
noun
Oahu
noun
oak
noun
oak apple
noun
oak gall
noun
oak tree
noun
oak trees
noun
oak-leaved
adjective
oaken
adjective
oakland
noun
oakleaf
noun
oakley
noun
Oakley
noun
oaks
noun
oakum
noun
OAP
noun
oar
noun
oar blade
noun
oar blades
noun
oare
noun
oarlock
noun
oarlocks
noun
oars
noun
oarsman
noun
oarsmanship
noun
oarsmen
noun
oarswoman
noun
oarswoman
noun
oas
noun
OAS
noun
oases
noun
oasis
noun
oast
noun
oast house
noun
oast houses
noun
oasts
noun
oat
noun
oat
noun
oat grass
noun
oat grasses
noun
oatcake
noun
oatcakes
noun
oaten
adjective
oater
noun
oaters
noun
oates
noun
oath
noun
oathbound
adjective
oathbreaker
noun
oathbreakers
noun
oathed
verb
oathing
verb
oaths
noun
oatmeal
noun
oats
noun
oaxaca
noun
ob
noun
ob
noun
ob-gyn
noun
oba
noun
obadiah
noun
Obadiah
noun
obambulate
verb
obas
noun
obb
noun
obbligati
noun
obbligato
noun
obbligato
noun
obbligatos
noun
obconic
adjective
obconical
adjective
obcordate
adjective
obdt
adjective
obduracy
noun
obdurate
adjective
obdurately
adverb
obdurately
adverb
obdurateness
noun
OBE
noun
obeah
noun
obeahs
noun
obeche
noun
obechi
noun
obedience
noun
obedient
adjective
obedientiary
noun
obediently
adverb
obeisance
noun
obeisances
noun
obeisant
adjective
obeisaunce
noun
obeli
noun
obelise
verb
obelisk
noun
obelisks
noun
obelize
verb
obelus
noun
Ober
noun
Oberon
noun
oberson
noun
obese
adjective
obesity
noun
obesogenic
adjective
obey
verb
obeyed
verb
obeying
verb
obeys
verb
obfuscate
verb
obfuscated
verb
obfuscates
verb
obfuscating
verb
obfuscation
noun
obfuscatory
adjective
obi
noun
obis
noun
obit
noun
obiter
adverb
obiter dicta
noun
obiter dictum
noun
obituaries
noun
obituarist
noun
obituarists
noun
obituary
noun
object
noun
object code
noun
object lesson
noun
object pronoun
noun
object space
noun
object-control
adjective
object-oriented
adjective
object-oriented programming
noun
objected
verb
objecthood
noun
objectification
noun
objectification
noun
objectified
verb
objectify
verb
objectifying
verb
objecting
verb
objection
noun
objectionable
adjective
objectionableness
noun
objectionably
adverb
objectionably
adverb
objections
noun
objective
adjective
objective case
noun
objectively
adverb
objectiveness
noun
objectives
noun
objectivism
noun
objectivisms
noun
objectivist
adjective
objectivists
noun
objectivity
noun
objector
noun
objectors
noun
objects
noun
objet
noun
objet d'art
noun
objets
noun
objurgate
verb
objurgation
noun
oblast
noun
oblate
noun
oblates
noun
oblation
noun
oblational
adjective
oblations
noun
oblatory
adjective
obligate
verb
obligated
verb
obligated
verb
obligates
verb
obligating
verb
obligation
noun
obligational
adjective
obligations
noun
obligato
noun
obligatorily
adverb
obligatory
adjective
obligatos
noun
oblige
verb
obliged
verb
obliged
adjective
obliger
noun
obliges
verb
obliging
adjective
obligingly
adverb
obligingly
adverb
obligingness
noun
oblique
adjective
oblique angle
noun
oblique arch
noun
oblique bridge
noun
oblique case
noun
oblique circle
noun
oblique fire
noun
oblique flank
noun
oblique line
noun
oblique motion
noun
oblique muscle
noun
oblique narration
noun
oblique plane
noun
oblique sailing
noun
oblique speech
noun
oblique sphere
noun
oblique step
noun
oblique-swimming triplefin
noun
obliquely
adverb
obliqueness
noun
obliques
noun
obliquity
noun
obliquus
noun
obliterable
adjective
obliterate
verb
obliterated
verb
obliterated
adjective
obliterates
verb
obliterating
verb
obliteration
noun
obliterator
noun
oblivion
noun
oblivious
adjective
obliviously
adverb
obliviousness
noun
obliviousness
noun
oblong
adjective
obloquies
noun
obloquy
noun
obnoxious
adjective
obnoxiously
adverb
obnoxiously
adverb
obnoxiousness
noun
obnoxiousness
noun
obnubilation
noun
oboe
noun
oboes
noun
oboist
noun
obolus
noun
Obon
noun
obovate
adjective
OBP
noun
obrok
noun
obround
noun
Obs
adjective
obscene
adjective
obscenely
adverb
obscenely
adverb
obscenities
noun
obscenity
noun
obscurantism
noun
obscurantist
noun
obscurantists
noun
obscure
adjective
obscured
verb
obscurely
adverb
obscureness
noun
obscurification
noun
obscurity
noun
obsequie
noun
obsequies
noun
obsequious
adjective
obsequiously
adverb
obsequiousness
noun
obsequy
noun
observable
adjective
observables
noun
observably
adverb
observably
adverb
observance
noun
observant
adjective
observantly
adverb
observation
noun
observation deck
noun
observational
adjective
observations
noun
observatories
noun
observatory
noun
observe
verb
observed
verb
observed
verb
observer
noun
observers
noun
observes
verb
observing
verb
observingly
adverb
obsess
verb
obsessed
verb
obsessed
verb
obsessing
verb
obsession
noun
obsessional
adjective
obsessional
adjective
obsessionally
adverb
obsessive
noun
obsessive
adjective
obsessive-compulsive
noun
obsessive-compulsive
adjective
obsessive-compulsive disorder
noun
obsessively
adverb
obsessively
adverb
obsessiveness
noun
obsessiveness
noun
obsessivity
noun
obsidian
noun
obsidional
adjective
obsolesce
verb
obsolesced
verb
obsolescence
noun
obsolescences
noun
obsolescent
adjective
obsolescently
adverb
obsolesces
verb
obsolescing
verb
obsolete
adjective
obsoleted
verb
obsoletes
verb
obsoleting
verb
Obst
noun
obstacle
noun
obstacles
noun
obstetric
adjective
obstetrical
adjective
obstetrician
noun
obstetrics
noun
obstinacy
noun
obstinance
noun
obstinate
adjective
obstinately
adverb
obstinately
adverb
obstipate
verb
obstipation
noun
obstipations
noun
obstreperous
adjective
obstreperously
adverb
obstreperously
adverb
obstreperousness
noun
obstreperousness
noun
obstruct
verb
obstruct the field
verb
obstructed
verb
obstructed
verb
obstructing
verb
obstruction
noun
obstructionism
noun
obstructionist
noun
obstructive
adjective
obstructively
adverb
obstructively
adverb
obstructiveness
noun
obstructor
noun
obstruent
adjective
obstruents
noun
obtain
verb
obtainable
adjective
obtained
verb
obtainer
noun
obtaining
verb
obtainment
noun
obtainments
noun
obtains
verb
obtention
noun
obtrude
verb
obtrusion
noun
obtrusions
noun
obtrusive
adjective
obtrusively
adverb
obtrusively
adverb
obtrusiveness
noun
obtrusiveness
noun
obtund
verb
obtunded
verb
obtundent
noun