English Vocabulary Word List
Alan Beale's Core Vocabulary - O (558 Words)
- oaf
- oak
- oar
- oases
- oasis
- oat
- oath
- oatmeal
- oats
- obedience
- obedient
- obediently
- obese
- obesity
- obey
- obituary
- object
- objection
- objectionable
- objective
- objectively
- objectivity
- objector
- obligate
- obligated
- obligation
- obligatory
- oblige
- obliged
- obliging
- obligingly
- oblique
- obliterate
- obliteration
- oblivion
- oblivious
- oblong
- obnoxious
- obnoxiously
- oboe
- obscene
- obscenity
- obscure
- obscurity
- observable
- observance
- observant
- observation
- observatory
- observe
- observer
- obsess
- obsessed
- obsession
- obsessive
- obsessively
- obsolescence
- obsolete
- obstacle
- obstetrician
- obstetrics
- obstinacy
- obstinate
- obstinately
- obstruct
- obstruction
- obstructive
- obtain
- obtainable
- obtrusive
- obtuse
- obvious
- obviously
- occasion
- occasional
- occasionally
- occult
- occupancy
- occupant
- occupation
- occupational
- occupied
- occupy
- occur
- occurrence
- ocean
- oceanic
- oceanography
- o'clock
- Oct.
- octagon
- octagonal
- octave
- October
- octopi
- octopus
- OD
- odd
- oddity
- odd jobs
- oddly
- oddness
- odds
- odds and ends
- ode
- odious
- odometer
- odor
- odyssey
- of
- off
- offbeat
- off-color
- offend
- offender
- offense
- offensive
- offensively
- offer
- offering
- offhand
- office
- officer
- official
- officially
- officiate
- officious
- offing
- off-key
- off-limits
- off-peak
- off-ramp
- offset
- offshoot
- offshore
- offspring
- offstage
- off-the-record
- off-the-wall
- off-white
- often
- ogle
- ogre
- oh
- ohm
- oh well
- oil
- oiled
- oilfield
- oil painting
- oils
- oil slick
- oil well
- oily
- oink
- ointment
- OK
- okay
- okra
- old
- old age
- olden
- old-fashioned
- oldie
- Old Testament
- old-timer
- Old World
- olive
- olive oil
- Olympic
- Olympic Games
- Olympics
- ombudsman
- omelet
- omen
- ominous
- ominously
- omission
- omit
- omnipotence
- omniscience
- omniscient
- on
- once
- once-over
- oncoming
- one
- one-night stand
- one-on-one
- onerous
- oneself
- one-sided
- onetime
- one-to-one
- one-track mind
- one-upmanship
- one-way
- ongoing
- onion
- on-line
- onlooker
- only
- only child
- on-ramp
- onrush
- onset
- onslaught
- onto
- onus
- onward
- onwards
- oodles
- oops
- ooze
- opal
- opaque
- open
- open-air
- open-ended
- opener
- open house
- opening
- openly
- open-minded
- openness
- open season
- opera
- operable
- opera house
- operate
- operatic
- operating room
- operating system
- operation
- operational
- operationally
- operative
- operator
- ophthalmologist
- ophthalmology
- opinion
- opinionated
- opinion poll
- opium
- opossum
- opponent
- opportune
- opportunism
- opportunist
- opportunistic
- opportunity
- oppose
- opposed
- opposite
- opposition
- oppress
- oppressed
- oppression
- oppressive
- oppressor
- opt
- optic
- optical
- optical illusion
- optician
- optimism
- optimist
- optimistic
- optimistically
- optimum
- option
- optional
- optometrist
- optometry
- opulence
- opulent
- OR
- or
- oral
- orally
- orange
- orangutan
- oration
- orator
- oratory
- orbit
- orbital
- orchard
- orchestra
- orchestral
- orchestrate
- orchestration
- orchid
- ordain
- ordeal
- order
- orderly
- ordinal
- ordinance
- ordinarily
- ordinary
- ordination
- ore
- organ
- organic
- organically
- organism
- organist
- organization
- organizational
- organize
- organized
- organizer
- orgasm
- orgy
- Orient
- orient
- Oriental
- oriental
- orientation
- oriented
- origin
- original
- originality
- originally
- originate
- oriole
- ornament
- ornamental
- ornate
- ornately
- ornithologist
- ornithology
- orphan
- orphanage
- orthodontics
- orthodontist
- orthodox
- orthodoxy
- orthopedics
- Oscar
- ostentation
- ostentatious
- ostentatiously
- ostracism
- ostracize
- ostrich
- other
- otherwise
- otter
- ouch
- ought to
- ounce
- our
- ours
- ourselves
- oust
- ouster
- out
- outage
- outback
- outbid
- outboard motor
- outbreak
- outburst
- outcast
- outclass
- outcome
- outcropping
- outcry
- outdated
- outdid
- outdistance
- outdo
- outdone
- outdoor
- outdoors
- outer
- outermost
- outer space
- outfield
- outfielder
- outfit
- outgoing
- outgrew
- outgrow
- outgrown
- outgrowth
- outhouse
- outing
- outlandish
- outlast
- outlaw
- outlay
- outlet
- outline
- outlive
- outlook
- outlying
- outmaneuver
- outmoded
- outnumber
- out of
- out-of-bounds
- out-of-date
- out-of-the-way
- outpatient
- outperform
- outplacement
- outpost
- outpouring
- output
- outrage
- outraged
- outrageous
- outrageously
- outran
- outreach
- outright
- outrun
- outset
- outshine
- outshone
- outside
- outside of
- outsider
- outskirts
- outsmart
- outsourcing
- outspoken
- outspokenness
- outstanding
- outstandingly
- outstretched
- outstrip
- outward
- outwardly
- outwards
- outweigh
- outwit
- oval
- ovarian
- ovary
- ovation
- oven
- over
- overall
- overalls
- overate
- overbearing
- overboard
- overcame
- overcast
- overcharge
- overcoat
- overcome
- overcompensate
- overcompensation
- overcrowded
- overdid
- overdo
- overdone
- overdose
- overdraw
- overdrawn
- overdrew
- overdue
- overeat
- overeaten
- overestimate
- overextend
- overextended
- overflow
- overgrown
- overhand
- overhang
- overhaul
- overhead
- overhead projector
- overhear
- overheard
- overjoyed
- overland
- overlap
- overload
- overlook
- overly
- overnight
- overpass
- overpopulated
- overpopulation
- overpower
- overpowering
- overpriced
- overran
- overrate
- overrated
- overreact
- overridden
- override
- overriding
- overrode
- overrule
- overrun
- oversaw
- overseas
- oversee
- overseen
- overseer
- overshadow
- overshoot
- overshot
- oversight
- oversimplification
- oversimplify
- oversized
- oversleep
- overslept
- overstate
- overstep
- overt
- overtake
- overtaken
- over-the-counter
- overthrew
- overthrow
- overthrown
- overtime
- overtly
- overtone
- overtook
- overture
- overturn
- overview
- overweight
- overwhelm
- overwhelmed
- overwhelming
- overwhelmingly
- overwork
- overworked
- overwrought
- ow
- owe
- owing to
- owl
- own
- owner
- ownership
- ox
- oxen
- oxide
- oxidize
- oxygen
- oyster
- oz.
- ozone
- ozone layer
These are words from the 3esl.txt file from release 4.0 of 12dicts, released Jan. 18, 2003.