;
- on which Edo-period authorities forced suspected Christians to trample
- on which an oak tree is painted
- on your mark
- on'e own area of the field
- on'yomi
- on-air monitor
- on-base percentage
- on-board
- on-board computer
- on-board device
- on-board ship
- on-chip cache
- on-deck batter's circle
- on-demand paging
- on-demand water heater
- on-limits
- on-line
- on-line data processing
- on-line database
- on-line dictionary
- on-line edition
- on-line job-hunting
- on-line network system
- on-line real time system
- on-line sign up
- on-line submission of an application form
- on-line system
- on-line trading
- on-line version
- on-line volume management
- on-mike
- on-off
- on-off timer
- on-ramp
- on-screen
- on-screen display
- on-screen electronic book
- on-screen function
- on-screen tutorial
- on-screen window
- on-side
- on-site
- on-site inspection
- on-site investigation
- on-site service
- on-site support
- on-stage composure
- on-street parking
- on-the- fly recording
- on-the-fly printer
- on-the-job accident
- on-the-job training
- on-the-move interview
- on-the-scene coverage
- on-the-sea ballot
- on-the-site inspection
- on-the-spot
- on-the-spot broadcast
- on-the-spot decision-making
- on-the-spot filming or photography
- on-the-spot inspection
- on-the-spot interview by surrounding reporters
- on-the-spot investigation
- on-the-spot investigation or inspection
- on-the-spot or live broadcast
- on-the-spot report
- on-the-spot telecast
- on-trade
- onager
- onanism
- onboard device
- once
- once a fool
- once a year
- once again
- once and for all
- once around
- once bitten twice shy
- once in a lifetime
- once in a while
- once more
- once or twice
- once per week
- once through
- once upon a time
- once you're dead
- once-in-a-lifetime encounter
- oncilla
- oncogene
- oncology
- oncoming age
- oncoming car
- oncoming lane
- oncovirus
- ondes Martenot
- one
- one ...
- one Buddhist image
- one Nth part
- one act
- one action
- one advantage
- one after another
- one after next
- one after the other
- one aircraft
- one amount
- one and all
- one and only
- one animal
- one area
- one area or skill
- one arm
- one article
- one aspect
- one at a time
- one bag
- one bagful
- one banner
- one beat
- one better
- one billion
- one billionth
- one block
- one block of tofu
- one boat
- one body
- one book
- one bound
- one bout
- one box
- one breath
- one brick short of a full load
- one broad
- one brush
- one brush stroke
- one building
- one bunch
- one bundle
- one by one
- one cake of bean curd
- one calamity followed close on the heels of another
- one can imagine
- one can now rest in peace
- one can say more with a look than with ten thousand words
- one can think that ...
- one cannot be too careful of ...
- one cannot have pain without pleasure
- one cannot have pleasure without pain
- one card
- one case gives you an idea of what always happens
- one cell of a grid
- one certain area
- one character
- one child
- one cho
- one clap
- one class
- one clause
- one clutch
- one color
- one colour
- one column
- one comes back empty handed
- one comes to know the will of Heaven.
- one copy
- one copy each
- one cup
- one cup after another
- one customer
- one dagger
- one danger
- one day
- one day a week
- one day's march
- one deep
- one defeat
- one degree
- one difficulty
- one digit
- one dimensional
- one direction
- one does not know where to put oneself
- one does not really mean
- one dog
- one down
- one drink
- one each
- one ear
- one edge
- one effort
- one element
- one end
- one entire scroll
- one evening
- one example of
- one existence
- one eye
- one eye-witness is better than many hearsays
- one face
- one factor
- one feudal domain and one castle
- one field
- one fifth part
- one flag
- one floor
- one flower
- one flute
- one form
- one fourth
- one full cycle of the Chinese calendar
- one full game of mahjong
- one full revolution of the earth
- one full year
- one game
- one gang
- one go
- one good thing tends to cause many bad things to happen
- one good turn deserves another
- one grab
- one grade
- one group
- one group comprising the lowest rank of Japan's Edo-period caste system
- one haiku-poem
- one hand
- one has complete mastery
- one has no doubts.
- one heat
- one helping
- one hit
- one hit wonder
- one horn
- one horseman
- one hour
- one house
- one hundred
- one hundred and eight
- one hundred million
- one hundred top mountains of Japan
- one hundred years ago
- one hundred-millionth
- one hundred-thousandth
- one hundredth
- one in charge
- one indication given on the koyomi
- one inning
- one invites disaster upon onelself
- one is saying
- one is trying to say
- one item
- one item from a set
- one item of quality standing out among many
- one kan
- one kanji in the name of a nobleperson
- one kanji stroke
- one ken
- one ken in length or breadth
- one knee
- one koku
- one koto
- one large ...
- one large animal
- one layer
- one leaf
- one leg
- one letter
- one lick
- one litter
- one load
- one long and narrow thing
- one long cylindrical thing
- one long straight object
- one long sword
- one lot
- one lump
- one lung
- one machine
- one man company
- one man show
- one mat
- one matter
- one may do anything
- one may well say so
- one meal
- one means
- one meeting
- one method
- one million
- one millionth
- one mind
- one mobile telephone ring
- one moment please
- one mon
- one month
- one mora
- one more
- one more effort
- one morning
- one musical interval
- one must constantly be on one's guard with ...
- one night
- one not bound by earthly desires or the thoughts of normal men
- one not included in the favored group
- one o'clock
- one object
- one of
- one of Japan's foremost
- one of a pair
- one of one's hobbies
- one of several children
- one of the 5 seasonal festivals
- one of the 64 trigrams
- one of the 72 climates
- one of the Buddha's past lives
- one of the accent patterns of Japanese words
- one of the best
- one of the biggest
- one of the eight gods of the Koyomi
- one of the eight gods of the koyomi
- one of the group or party
- one of the leading private schools
- one of the lines connecting vital points in the body
- one of the most powerful
- one of the most secluded regions
- one of the passengers
- one of the six administrators of a Zen temple
- one of the six administrators of a Zen temple who substitutes for the chief priest
- one of them
- one of these days
- one of two
- one of water and one of fire
- one option
- one or the same pot
- one or twice
- one or two levels
- one or two sizes
- one ought to be contented with what has been accomplished
- one out
- one page
- one pair of clothes
- one pair of underpants
- one part
- one particle irreducible
- one party
- one passage
- one percent
- one period
- one person
- one person playing two roles
- one person's portion
- one photo
- one piece
- one piece of sushi
- one pint
- one place
- one player
- one plot
- one pole
- one portion
- one possible choice
- one previous
- one proofreading
- one quarter ryou
- one rabbit
- one rank
- one reading
- one reading leaves one with ceaseless sighs of admiration
- one red flower standing out in a sea of green vegetation
- one reed
- one revolution
- one road
- one roar
- one rod
- one roll
- one roll of silk
- one room
- one rotation
- one rotten apple spoils the barrel
- one round
- one run of a television series
- one ryou
- one scene
- one scoop
- one season
- one second
- one section
- one serving
- one set
- one shaku
- one share
- one sheet
- one sheet of paper
- one ship
- one ship or boat
- one shot
- one should err on the side of caution
- one should go to specialists for the best results
- one should learn from other's mistakes
- one should not rush to make a profit
- one shoulder exposed
- one shouldn't show off
- one side
- one side of a body
- one side of a story or argument
- one size fits all
- one skilled at obtaining publicity
- one sleeve
- one spoon
- one square on a grid
- one squid
- one step above
- one step ahead
- one step at a time
- one step back
- one step forward
- one step higher
- one step lower
- one step short of
- one stone
- one streamer
- one stroke
- one style
- one suddenly blinded
- one suit of armour
- one summer
- one sun
- one surface
- one sweep
- one swift effort
- one tablet or pill
- one talent
- one task
- one ten-billionth
- one ten-millionth
- one ten-thousandth
- one tenth
- one tenth of a sun
- one term
- one theory
- one thin flat object
- one thing
- one thing after another
- one thing or another
- one third
- one thousand
- one thousand days
- one thousand years
- one time
- one to one
- one to one communication
- one toke
- one tone
- one too shy to actively join in the party
- one touch
- one track mind
- one tree
- one trillion
- one turn
- one up
- one vehicle
- one version
- one victory
- one voice
- one volume
- one vote per nation
- one wants to say
- one way
- one way bottle
- one way or another
- one way or the other
- one way trade
- one week
- one wheel
- one who arrests
- one who can see
- one who can stick to nothing
- one who catches a ride
- one who dislikes people
- one who does something for you
- one who doesn't pay one's bills
- one who experiences a chronic ailment takes better care of his health and lives longer
- one who furnishes the money
- one who generally eats a lot
- one who generally eats little
- one who goes after all the latest fads
- one who guards flowers
- one who has ESP
- one who has given up geeky or nerdy hobbies
- one who has given up stereotypically geeky dress
- one who is affable to everybody
- one who is obsessed with political power
- one who is obsessed with the idea of taking over government
- one who is skilled at speaking
- one who lives from writing
- one who loves novelty
- one who loves something
- one who offers prayer in place of another
- one who perspires freely
- one who runs a red light or stop sign
- one who seeks the way
- one who sharpens razors
- one who so worries
- one whose livelihood is provided by part-time work
- one will do well
- one win
- one woman among many men
- one word
- one year
- one year ago
- one year and a half
- one yen
- one's ....
- one's absence
- one's account
- one's actual age
- one's administrative skills
- one's age
- one's age at death
- one's aim in life
- one's allegiance
- one's appearance
- one's appearance when dancing
- one's assessment of the situation
- one's attention
- one's attitude
- one's backyard
- one's beloved daughter
- one's beloved grandchild
- one's best
- one's best clothes
- one's best days
- one's best form
- one's birthplace
- one's birthright
- one's bit
- one's body alone
- one's bosom friend
- one's boss
- one's breath
- one's brother-in-law
- one's business
- one's career
- one's career as a teacher
- one's career as an athlete
- one's career in sport
- one's carriage
- one's chance
- one's cherished opinion
- one's child
- one's circumstances
- one's circumstances or condition
- one's class
- one's clothes
- one's collar when wearing multiple kimonos
- one's color
- one's colour
- one's common or popular name
- one's companion
- one's company
- one's confidant
- one's country
- one's country of assignment
- one's course of action
- one's course or path or road
- one's customers
- one's daily activities
- one's daily bread
- one's daily life
- one's dark days
- one's daughter and heiress
- one's days and nights being reversed
- one's dead child
- one's dear wife
- one's dearest wish
- one's death
- one's debt to one's country
- one's debut appearance
- one's deceased elder brother
- one's deceased lord
- one's deceased younger brother
- one's deceased younger sister
- one's declining fortunes
- one's demeanor
- one's dependents
- one's descendants
- one's desire
- one's desk
- one's desk-side book
- one's destination
- one's destiny
- one's devoted wife
- one's doctor
- one's doing
- one's domicile
- one's dominant arm
- one's dominant foot
- one's dominant hand
- one's doubts being cleared away
- one's drink
- one's drinking capacity
- one's duties
- one's duty
- one's duty post
- one's duty station
- one's dying hour
- one's dying moment or hour
- one's early days
- one's early life
- one's early years
- one's earnest prayer being answered
- one's eighties
- one's elder
- one's elder sister
- one's elders or superiors
- one's enemy is in Honnoji
- one's energy is gone
- one's environment
- one's equal
- one's esteemed friend
- one's every action
- one's expectations
- one's eyes
- one's eyes blurred from drinking
- one's face
- one's face and figure
- one's face turning pale
- one's face turning red
- one's faith being transmitted to a deity and one's wish then being granted
- one's family
- one's family and followers
- one's family and relatives
- one's family background
- one's family or clan
- one's family register
- one's family temple
- one's fate
- one's fate as concerns business
- one's fate as concerns health
- one's fate as concerns love
- one's fate as concerns marriage
- one's fate as concerns studies
- one's father
- one's father's brothers
- one's father's occupation
- one's favorite mistress
- one's favorite son-in-law
- one's favourite mistress
- one's favourite son-in-law
- one's favourite stunt
- one's feeling while riding
- one's feelings
- one's fellow man
- one's fellow workers
- one's field of expertise
- one's fielding average
- one's fifties
- one's fifties and sixties
- one's figure during sleep
- one's final abode
- one's final moments
- one's financial standing
- one's finger
- one's first battle
- one's folks
- one's followers
- one's followers or hangers-on
- one's former address
- one's former grade
- one's former master
- one's former name
- one's former post
- one's former self
- one's former teacher
- one's forte
- one's forties
- one's fortune
- one's fortune or destiny
- one's fortune turning for the better
- one's frame of mind
- one's friend in poetry
- one's full maturity
- one's future
- one's future course
- one's gaze
- one's generation
- one's good deeds shall be repaid even to one's descendants
- one's good suit
- one's grasp of the situation
- one's ground
- one's habitual behaviour
- one's habitual practice
- one's habitual seat
- one's hand
- one's hands
- one's hands and feet
- one's health
- one's heart
- one's heart is filled with even deeper emotion
- one's heart of hearts
- one's heart rate
- one's heart's desire
- one's height or stature
- one's high school days
- one's history as a performer
- one's history of love affairs with women
- one's home
- one's home country
- one's home unit
- one's home village
- one's homeland
- one's hometown
- one's honored teacher
- one's honoured teacher
- one's house
- one's humble abode
- one's humble opinion
- one's humble self
- one's husband
- one's image of foreigners
- one's impressions after reading a book
- one's inferior
- one's inheritance rights
- one's inmost thoughts
- one's innate character
- one's innate intelligence and ability
- one's inner being
- one's inner feelings
- one's inner world
- one's innermost being
- one's innermost depths
- one's innermost thoughts
- one's intellectual powers
- one's intention
- one's intentions
- one's interest
- one's internal clock
- one's junior
- one's kith and kin
- one's lack of learning or ability
- one's last caution
- one's last journey
- one's last letter
- one's last moment
- one's last writing
- one's late elder sister
- one's late father
- one's late mother
- one's late wife
- one's later years
- one's leadership
- one's left hand
- one's legal wife
- one's legs being leaden
- one's legs turn to lead
- one's leisure hours
- one's library
- one's life
- one's life as a consumer
- one's life goal
- one's life time
- one's lifespan
- one's lifestyle
- one's lifetime
- one's line
- one's line of sight
- one's lines
- one's linguistic ability
- one's livelihood
- one's living
- one's long-cherished desire
- one's looks in a photo
- one's lot
- one's love
- one's love story
- one's maiden work
- one's main work
- one's majority
- one's manner of walking
- one's manners
- one's memoirs
- one's mental faculties
- one's mental make-up
- one's mental state
- one's mental state or attitude
- one's mentor
- one's middle years
- one's mind
- one's mind is filled with thousand emotions
- one's minority
- one's monopoly
- one's mood when drinking alcohol
- one's mood while traveling
- one's morale being shaken
- one's mother
- one's muse
- one's name and address
- one's native country
- one's native land
- one's native language
- one's native place
- one's native province
- one's natural dignity
- one's natural voice
- one's nature
- one's nature or disposition
- one's nature or personality
- one's new address
- one's new post
- one's next three neighbors
- one's next three neighbours
- one's nineties
- one's official post
- one's offspring
- one's old bones
- one's old home
- one's old master
- one's old possessions
- one's old publication
- one's old school or university
- one's old teacher
- one's old trick
- one's only strength being his honesty
- one's opinion
- one's opinion on death
- one's original purpose
- one's origins
- one's other self
- one's outlook on the universe
- one's outward self
- one's own
- one's own Buddha statue
- one's own account
- one's own affair
- one's own army or team
- one's own article
- one's own bath
- one's own body
- one's own child
- one's own children
- one's own convenience
- one's own country
- one's own discretion
- one's own effort
- one's own efforts
- one's own elder brother
- one's own expense
- one's own faction
- one's own flesh and blood
- one's own ground
- one's own hair
- one's own handwriting
- one's own house
- one's own idea
- one's own interests
- one's own judgement
- one's own king
- one's own literary work
- one's own money
- one's own place
- one's own plan
- one's own position
- one's own potential
- one's own property
- one's own room
- one's own ship
- one's own special way
- one's own strength
- one's own strength or effort
- one's own style
- one's own thing
- one's own thoughts or opinion
- one's own way
- one's own way of doing things
- one's own work
- one's own writing
- one's parents
- one's parents' generation
- one's parents' home
- one's parents' roof
- one's part
- one's past
- one's path
- one's period
- one's permanent residence
- one's person
- one's personal belongings
- one's personal history
- one's personal information
- one's personal opinion
- one's personal opinion or views
- one's perspective
- one's philosophy of life
- one's philosophy of making
- one's physique
- one's place
- one's plan
- one's pocket
- one's point
- one's position
- one's possession
- one's possessions
- one's post
- one's posthumous name
- one's predestined length of life
- one's presence
- one's presence of mind
- one's present self
- one's previous doctor
- one's previous existence
- one's previous letter
- one's previous name
- one's prime
- one's principal residence
- one's principles and position
- one's private life
- one's private time
- one's property
- one's pupil or student or follower
- one's purse
- one's real character
- one's real hopes
- one's real intent
- one's real intention
- one's real intentions
- one's real life
- one's real mother
- one's real motive
- one's regular inn or hotel
- one's regular taxi
- one's regular tradesman
- one's relationships
- one's relatives
- one's relatives by blood and marriage
- one's religious sect
- one's remaining years
- one's repertoire
- one's residence
- one's resort
- one's right-hand man
- one's rival in love
- one's saint's day
- one's say
- one's seat
- one's seated posture
- one's second wife
- one's self-possession
- one's senior
- one's seniors
- one's seniors and juniors
- one's senses
- one's seventies
- one's share
- one's share or portion
- one's shares
- one's side
- one's sister-in-law
- one's sitting height
- one's situation
- one's situation or lot in life
- one's sixties
- one's skill as a driver
- one's skill as a singer
- one's skin
- one's sleeping posture
- one's social position
- one's sole Sunday best
- one's sole talent
- one's son
- one's son-in-law
- one's soul
- one's special subject
- one's speciality
- one's specialty
- one's speech and appearance
- one's spiritual home
- one's stand
- one's standpoint
- one's star
- one's status
- one's step
- one's stomach is rumbling
- one's store of patience
- one's strong point
- one's study hours
- one's style of playing shogi or go
- one's subordinate
- one's superior
- one's superiors
- one's supply of arrows
- one's support base
- one's surroundings
- one's talent and virtue
- one's teaching experience
- one's temporary residence
- one's thirties
- one's thought and beliefs
- one's time
- one's time at a certain point of a race
- one's time of death
- one's toes turned inward
- one's toes turned out
- one's tolerance level
- one's trade or profession
- one's troops
- one's true ability
- one's true character
- one's true colors
- one's true colours
- one's true feelings
- one's true motive
- one's true nature
- one's true parents
- one's true purpose lies elsewhere
- one's true self
- one's trusted friend
- one's trusted henchman
- one's turf
- one's turn
- one's turn at bat
- one's turn finally comes round
- one's turn for doing the sweeping
- one's turn to go on
- one's twenties
- one's underlying motives or true intentions
- one's upbringing
- one's usual medicine
- one's usual modus operandi
- one's usual practice
- one's vast stock of knowledge
- one's vicinity
- one's view of life
- one's view of men
- one's view of women
- one's views on the family
- one's vocabulary
- one's voice when shouting with anger
- one's walk
- one's walking pace
- one's way
- one's way after the parting
- one's way back
- one's way of speaking
- one's way of talking
- one's weak point
- one's welfare
- one's whereabouts
- one's whereabouts being unknown
- one's whole body
- one's whole clan
- one's whole family
- one's whole heart
- one's whole life
- one's whole personality
- one's whole soul
- one's wife
- one's wife and daughter or daughters
- one's wife and mistress
- one's wishes
- one's word is worth 1
- one's words or remarks
- one's work
- one's work environment
- one's world view
- one's world within
- one's worldly desires and passions
- one's younger brother
- one's younger days
- one's younger sister
- one's youth
- one's youthful days
- one-act play
- one-armed person
- one-armed shoulder throw
- one-base hit
- one-by-one
- one-car accident
- one-chip computer
- one-chip microcomputer
- one-click fraud
- one-coin
- one-eyed
- one-eyed goblin
- one-eyed monster
- one-eyed mountain spirit
- one-fifth of the night
- one-game match
- one-handed catch
- one-handed person
- one-horned
- one-horse
- one-hump camel
- one-hundredth
- one-hundredth of a yen
- one-jointed bamboo musical instrument
- one-knife carving
- one-legged
- one-line diagram
- one-line fact
- one-line information
- one-liner
- one-loader gun
- one-man
- one-man bus
- one-man business
- one-man car
- one-man control
- one-man exhibition
- one-man show
- one-off payment
- one-on-one fighting sport
- one-part washing machine
- one-party cabinet
- one-party regime
- one-party rule
- one-party system
- one-pass
- one-piece garment with snaps up the front
- one-piece sash
- one-plate meal
- one-point relief
- one-price store
- one-quarter of a ryou
- one-ring fraud
- one-seater
- one-self
- one-shot game
- one-sided
- one-sided game
- one-sided grudge
- one-sided love
- one-sided roof
- one-sided trade
- one-sided view
- one-spot butterfly
- one-spot chromis
- one-star
- one-step
- one-stop service
- one-story house
- one-stroke sketch
- one-talent oriented entrance examination
- one-tenth
- one-tenth hectare
- one-tenth of a rin
- one-tenth of the way from the base to the summit of a mountain
- one-thousandth
- one-thousandth of a kan
- one-time
- one-to-many
- one-to-one
- one-to-one correspondence
- one-to-one fight
- one-to-one mapping
- one-track mind
- one-track-minded person
- one-two punch
- one-way
- one-way airline ticket
- one-way car rental fee
- one-way communication
- one-way fare
- one-way function
- one-way interaction
- one-way plane ticket
- one-way propagation time
- one-way ticket
- one-way traffic
- one-woman exhibition
- one-writing system
- one-year period
- one-year-old
- one-year-old colt
- one-yen book
- onefold
- oneirocriticism
- oneirogmus
- oneiromancy
- oneiroscopy
- oneknife unicornfish
- oneness
- onerous
- oneself
- oneself and one's opponent
- oneself and others
- ong choy
- onion
- onion head
- online
- online analysis
- online auction
- online backup
- online banking
- online banking facilities
- online banking system
- online batch processing system
- online buddy
- online communication
- online computer
- online computer system
- online computing
- online consumers
- online control
- online data entry
- online data gathering system
- online database
- online database system
- online dating Web site
- online dating website
- online debug
- online debugging
- online delayed time system
- online diagnostics
- online directory
- online distribution
- online documentation
- online dump
- online equipment
- online event
- online game
- online help
- online information processing
- online instrumentation package
- online machines
- online magazine
- online media pioneer
- online mode
- online monitor
- online music distribution
- online operation
- online package
- online pattern analysis and recognition system
- online problem solving
- online processing
- online processing environment
- online programming system
- online project management
- online real time
- online real-time processing
- online real-time surveillance
- online real-time system
- online scientific computer
- online service
- online shop
- online shopping
- online shopping carts
- online shopping site
- online sign-up
- online software
- online state
- online storage
- online store
- online support center
- online survey
- online teller-machine
- online terminal test
- online test
- online test control program
- online test facility
- online test program
- online test section
- online test system
- online testing
- online transaction processing
- online working
- online-manual
- onlooker
- onlookers
- onlookers see more of the game than the players do
- only
- only ...
- only a ...
- only a little
- only after ... is it ...
- only child
- only daughter
- only half understood
- only just
- only once
- only once in history
- only once in one's lifetime
- only one
- only slightly covetous
- only that
- only the clothes one happens to wear
- only this
- only this much
- only to make a pass at her
- only wanting to do something
- only when
- only when ... do you ...
- only when basic needs for living are met can people spare the effort to be polite
- only with a miracle
- only yesterday
- onomatope
- onomatopoeia
- onomatopoeic word
- onrushing waves
- onsen
- onsen therapy
- onsen water quality
- onsen water used for medical treatment
- onset
- onset of rust
- onsite service
- onslaught
- onstage appearance of the joruri musicians and chanters
- ontime password
- onto mapping
- ontogenesis
- ontogeny
- ontological argument
- ontology
- onus
- onward
- onyx
- oocyte
- oof
- oogonium
- oolong
- oolong tea
- oolong tea highball
- oops
- oops!
- ootheca
- oozily
- oozing
- oozing out
- op art
- op-code
- op. cit.
- opacity
- opah
- opal
- opal glass
- opaque
- opaque curtain
- opaque matcha
- opaque white
- opcode
- open
- open a new business
- open access
- open account
- open account transaction
- open air
- open air bath
- open all night
- open an exhibition
- open and aboveboard
- open and natural
- open architecture
- open at night
- open attitude
- open base
- open bid or tender
- open blood-vascular system
- open border
- open campus
- open caption
- open chain compound
- open channel
- open circuit
- open city
- open city declaration
- open cluster
- open collar
- open competition
- open competitive bidding
- open conduit
- open corridor
- open course
- open court
- open criminal investigation
- open culvert
- open date
- open diplomacy
- open discussion
- open display
- open ditch
- open door
- open door policy
- open element
- open entity
- open every day of the year
- open face
- open field
- open file
- open file description
- open fire
- open forum
- open fracture
- open frame
- open freight car
- open game
- open golf
- open hand
- open house
- open in front
- open interest
- open interval
- open investment trust
- open kitchen
- open letter
- open marked section declaration
- open market
- open market operation
- open market policy
- open marriage
- open money market
- open network
- open one's eyes wide
- open period
- open pipe
- open planning
- open platform
- open play
- open port
- open price
- open reel
- open reward
- open sandwich
- open sea
- open seam
- open secret
- open sesame
- open set
- open shelves
- open shop
- open shop system
- open shortest path first
- open side
- open side of some traditional Japanese clothing
- open source
- open source code
- open source company
- open source software
- open source vendor
- open space
- open space within a barracks compound
- open spirals of heavy metal wire twisted into a kettle and used to lift it
- open stance
- open syllable
- open system
- open system hospital
- open systems company
- open systems interconnection environment
- open tendering
- open tennis
- open ticket
- open to all
- open to scrutiny
- open to the public
- open tournament
- open trade
- open tube test
- open tuberculosis
- open veranda
- open verandah
- open water diver
- open water pipe
- open wide
- open wound
- open-air
- open-air bath
- open-air cafe
- open-air classes
- open-air fire
- open-air market
- open-air tea ceremony
- open-chain
- open-collared shirt
- open-cut
- open-cut coal mine
- open-cut or open-air mining
- open-dating system
- open-end
- open-end mortgage
- open-end wrench
- open-eyed astonishment
- open-hearted
- open-hearth furnace
- open-hearth process
- open-label
- open-loop
- open-minded
- open-mindedness
- open-mouthed
- open-necked
- open-necked shirt
- open-pit coal mine
- open-reel tape
- open-weight division
- open-wire line
- opencut
- opener
- openhanded
- openhearted
- openheartedness
- opening
- opening a branch office
- opening a can
- opening a door
- opening a door for a moment
- opening a hall for that day's business
- opening a meeting
- opening a port
- opening a school
- opening a sealed jar or container
- opening a store
- opening a sutra
- opening address
- opening and shutting
- opening brace
- opening bracket
- opening ceremony
- opening ceremony for the new ring in a sumo stable
- opening chant of a sutra
- opening congress
- opening day
- opening declaration
- opening fully
- opening game
- opening gate
- opening hours
- opening hours of a gallery
- opening inward
- opening line
- opening line of a poem
- opening move
- opening number
- opening of a banquet
- opening of a book
- opening of a ceremony
- opening of a country to the world
- opening of a meeting
- opening of a new theater
- opening of a parachute
- opening of a pool
- opening of a song
- opening of a wedding reception
- opening of business or practice
- opening of hostilities
- opening of mine
- opening of new hall
- opening of post-office or telephone exchange
- opening of stomach into duodenum
- opening of the beachgoing season
- opening of the whole
- opening one's eyes
- opening one's eyes to the truth
- opening one's mouth
- opening or unsealing of bids
- opening page of book
- opening paragraph
- opening parenthesis
- opening performance
- opening phase
- opening quotation
- opening remark
- opening screen
- opening section of a Chinese poem or essay
- opening sentence
- opening sentence or paragraph
- opening session
- opening slogan
- opening something to pedestrians
- opening song
- opening statement
- opening suddenly and widely
- opening tag
- opening through which dirt is swept
- opening time
- opening to honors
- opening to honours
- opening up of a market
- opening words or sentence
- openly
- openly and covertly
- openly and in broad daylight
- openly in broad daylight
- openminded
- openmouthed
- openness
- openwork
- openwork bamboo basket
- opera
- opera bag
- opera buffa
- opera company
- opera glasses
- opera hat
- opera house
- opera seria
- opera singer
- opera troupe
- operability
- operable time
- operand
- operant
- operant conditioning
- operate mode
- operated by the government
- operated by the metropolitan government
- operating
- operating balance
- operating cost
- operating costs
- operating environment
- operating expenses
- operating funds
- operating gown
- operating income
- operating loss
- operating margin
- operating mode
- operating officer
- operating on a ten-minute schedule
- operating or carrying on simultaneously
- operating own business
- operating portion
- operating principles
- operating profit
- operating rate
- operating rate index
- operating ratio
- operating risk
- operating room
- operating space
- operating system
- operating system firmware
- operating system image
- operating table
- operating time
- operating together
- operating voltage
- operating voltage indicator
- operating-system
- operation
- operation center
- operation centre
- operation circuit
- operation code
- operation code trap
- operation cost
- operation of the mind
- operation order
- operation overlay
- operation part
- operation plan
- operation procedures
- operation progress
- operation scar
- operation supervisor
- operation table
- operation time
- operation twist
- operation-interface
- operational
- operational amplifier
- operational costs
- operational expense
- operational precision
- operational risk
- operational sign
- operations
- operations department
- operations division
- operations on two fronts
- operations research
- operator
- operator in a telemarketing business
- operator method
- operculum
- operetta
- operetta company
- operetta troupe
- operon
- operon theory
- ophiolite
- ophtamological examination
- ophthalmencephalon
- ophthalmologist
- ophthalmology
- ophthalmoscope
- opinion
- opinion box
- opinion expressed from someone's point of view
- opinion in writing
- opinion is divided
- opinion leader
- opinion poll
- opinionated
- opinions
- opioid
- opioid peptide
- opium
- opium addiction
- opium den
- opium eater
- opium smoker
- opossum
- opossum shrimp
- opponent
- opponent in a debate or argument
- opponents hisha
- opponents king
- opponents pawn
- opportune
- opportunism
- opportunist
- opportunistic infection
- opportunistic pathogen
- opportunity
- opportunity cost
- opportunity knocking
- opportunity only knocks once
- opportunity study
- opportunity to continue a conversation
- opposable thumb
- opposing
- opposing argument
- opposing candidate
- opposing forces
- opposing pairs
- opposing party
- opposing role
- opposing side
- opposing speech
- opposing to
- opposing voice
- opposite
- opposite angle
- opposite bank
- opposite camp
- opposite direction
- opposite effect
- opposite front
- opposite lane
- opposite leaves
- opposite mirrors
- opposite of
- opposite of pure
- opposite shore
- opposite side
- opposite side of the road
- opposite sides of the same coin
- opposition
- opposition alliance
- opposition coalition party
- opposition declaration
- opposition elements
- opposition faction
- opposition forces
- opposition in the heart
- opposition leader
- opposition movement
- opposition party
- opposition party executive
- opposition viewpoint
- oppressed
- oppression
- oppressive
- oppressive pain
- oppressor
- opsonin
- optic aphasia
- optic ataxia
- optic chiasm
- optic chiasma
- optic nerve
- optic or photic sense
- optical
- optical art
- optical axis
- optical cable
- optical cavity
- optical character
- optical character reader
- optical character recognition
- optical computer
- optical disk
- optical drive
- optical equipment
- optical fall time
- optical fiber
- optical fibre
- optical illusion
- optical instrument
- optical interface
- optical isomerism
- optical loss
- optical mark reading
- optical microscope
- optical mouse
- optical printer
- optical reference plane
- optical resonator
- optical rise time
- optical rotation
- optical rotatory
- optical scanner
- optical storage
- optical storage media
- optical storage medium
- optical telescope
- optical vortex
- optician
- optics
- optimal
- optimal route
- optimal taxation
- optimisation
- optimise
- optimiser
- optimism
- optimist
- optimistic
- optimization
- optimize
- optimizer
- optimum
- optimum taxation
- option
- option button
- option contract
- option dealing
- option switch
- option trading
- option transaction
- optional
- optional component
- optional file
- optional parts
- optional tour
- optional user facilities
- optional word
- options
- options or preference settings
- optoelectronics
- optomechanical mouse
- optometrist
- optometry
- opulence
- opus
- or
- or Sarutahiko
- or a work written in more than one calligraphic style
- or better
- or by rubbing in dye made from these materials
- or collapse
- or dehydrated feeling
- or disdain for another's action
- or else
- or firm
- or first
- or has a lift
- or her face is partially hidden by a bamboo hat
- or image that is perceived as showing or suggesting discrimination or prejudice against a person or group of people
- or island who live in an urban center far from home
- or materials used in a building
- or muscles along the spine
- or numbness in the neck
- or of an official at the Grand Council of State
- or open wide
- or panic
- or perhaps I should say
- or person of high status
- or prayers to Amitabha
- or prison
- or provincial or district officials
- or raise
- or rather
- or resolute
- or riddance of hindrances
- or served in Edo for a fixed period of time
- or situation
- or small
- or so
- or so we thought
- or some such
- or something
- or something like that
- or something like that ...
- or squid
- or the dead
- or thereabouts
- or tin
- or to one's junior
- or to one's senior
- or verse
- or wipe blood off of a sword
- or worry
- oracle
- oracle bone script
- oral
- oral administration
- oral answer
- oral approach
- oral arts
- oral cancer
- oral cavity
- oral character
- oral consonant
- oral contraceptive
- oral contraceptives
- oral defamation
- oral deodorant
- oral drill
- oral epic
- oral examination
- oral herpes
- oral immunization
- oral infection
- oral instruction
- oral instruction or teaching or method
- oral literature
- oral medicine
- oral method
- oral pill
- oral pleadings
- oral presentation
- oral proceedings
- oral recitation
- oral sex
- oral statement
- oral surgery
- oral tradition
- oral translation
- oral vaccine
- orally transmitted infection
- orange
- orange bitters
- orange butterflyfish
- orange card
- orange fleshed yam
- orange juice
- orange peel
- orange pekoe
- orange spinefoot
- orange-colored
- orange-coloured
- orange-gilled surgeonfish
- orange-peel oil
- orange-red goby
- orange-socket surgeonfish
- orange-spotted spinefoot
- orangeade
- orangeband surgeonfish
- orangebanded coralfish
- orangebar butterflyfish
- orangeface angelfish
- orangespine unicornfish
- orangespot surgeonfish
- orangutan
- orator
- oratorical meeting
- oratorical talent
- oratorical tone
- oratorio
- oratory
- orb
- orbfish
- orbicular batfish
- orbicularis oculi muscle
- orbicularis oris muscle
- orbit
- orbital adjustment
- orbital eccentricity
- orbital electron
- orbital floor
- orbital function
- orbital motion
- orbital period
- orbital plane
- orbital speed
- orbiter
- orc
- orca
- orchard
- orchard grass
- orchardist
- orchestra
- orchestra box
- orchestra leader
- orchestra member
- orchestra pit
- orchestra present at Japanese festival
- orchestral music
- orchestration
- orchestrion
- orchid
- orchid of Western origin
- orchidology
- orchitis
- ordained minister
- ordeal
- order
- order Cetacea of toothed marine mammals
- order acceptance
- order analysis