オオ
Meanings
Prefix
1. large; big; great; major; important; serious; heavy; loud
2. older; senior
3. final; ultimate
4. rough; broad; general
Pitch accent
Top 16000
Used in vocabulary (330 in total)
large field
Asian giant hornet (Vespa mandarinia); yak-killer hornet
root; origin; source; Ōmoto (religion)
fat under-belly of tuna (considered high-quality)
monitor lizard
landlord; landlady
Japanese giant salamander (Andrias japonicus)
coot (Fulica atra)
giant anteater (Myrmecophaga tridactyla)
Ministry of Finance
giant stag beetle (Dorcus hopei)
Steller's sea eagle (Haliaeetus pelagicus)
main street (esp. in a capital); main thoroughfare
Japanese wobbegong (Orectolobus japonicus, species of carpet shark); Japanese carpet shark; fringe shark
Osaka (city); (arch.) large hill
placid; composed; big hearted; broad-minded; great quantity (of something)
Hercules beetle (Dynastes hercules)
northern goshawk (Accipiter gentilis); female hawk (or falcon); falconry (using a northern goshawk)
serious matter; major incident; matter of grave concern; crisis
great reed warbler (Acrocephalus arundinaceus)
large bird; peng (in Chinese mythology, giant bird said to transform from a fish); fenghuang (Chinese phoenix)
(major) mark; level; barrier; 100-yen unit (stock market)
fruit bat (Pteropodidae spp.); flying fox; megabat
Scolopendra subspinipes (species of centipede)
lynx (esp. the Eurasian lynx, Lynx lynx)
large tengu; powerful tengu; big braggart; blowhard
blue-and-white flycatcher (Cyanoptila cyanomelana)
large hand drum
plentiful; abundant; definitely extant
Ōsumi (former province located in the east of present-day Kagoshima Prefecture, including the Amami Islands)
magnanimity; tolerance; large eyes
root; source; origin; basis
monarch butterfly (Danaus plexippus)
barley (Hordeum vulgare)
long blade
change; metamorphosis; transformation
whooper swan (Cygnus cygnus)
big; large; great
imperial palace; shrine; Grand Empress Dowager; Empress Dowager; woman of imperial lineage who has borne a child; elderly woman of imperial lineage
great fool; utter fool; complete idiot; absolute moron
(arch.) great; (arch.) grand; greater (of equal court ranks); upper; a great deal; very much
great auk (Pinguinus impennis)
royal water lily; water platter
Persian speedwell (Veronica persica); large field speedwell; bird's-eye speedwell; birdeye speedwell; winter speedwell
major loss; crushing defeat; big discount
bull shark (Carcharhinus leucas)
Brazilian elodea (species of aquatic plant, Egeria densa)
titan arum (Amorphophallus titanum); corpse flower; carrion flower
grandiose; exaggerated
in general; generally; mostly; gist; point; main idea
big river
open; public; overt; free; unreserved; uninhibited
great mistake
large serving; large portion
main door at the front of a house; front shutters
big tiger; drinker; staggering drunkard
giant purple butterfly (species of nymphalid butterfly, Sasakia charonda); Rhododendron oomurasaki (species of purple azalea)
Japanese carpenter ant (Camponotus japonicus)
great frigatebird (Fregata minor)
edible dormouse (Glis glis); fat dormouse
clamour; clamor; uproar; tumult; furore; furor
about; roughly; generally; on the whole; completely; quite
serious injury
rough (estimate, manner, etc.); crude; broad; loose; careless (work)
large stone; boulder; large group of stones (in the game of go)
extreme foolishness; grave stupidity; big fool; damn idiot; utter fool
New Year's Eve; December 31
large forest
billow; surge; large wave
the ocean; the great deep
Ōtsu (city in Shiga)
high spirits; gleeful mood
inner palace (in Edo Castle); palace's ladies chambers; shogun's harem
big gamble; big plunge; big mountain
good scolding
presence (of a god, emperor, etc.)
big hit; great success
spring tide
big lie; whopper
great idiot; fool; (saying) something silly or stupid
far out wide; far outside
judicial decision made with human kindness and warmth in a fair manner
lobster
streaked shearwater (species of seabird, Calonectris leucomelas)
red-sepaled evening primrose (Oenothera erythrosepala)
green anaconda (Eunectes murinus)
Lake Biwa catfish (Silurus biwaensis)
Persian speedwell (Veronica persica); large field speedwell; bird's-eye speedwell; birdeye speedwell; winter speedwell
crowd of people; great number of people; in great numbers
very; much; greatly; a lot of
large; large-sized; large-scale; big
main street
important person; influential figure; big shot; big thing; big one; big game
big man; large man; tall man; giant
big; large; drastic; full-width cloth (approx. 72 cm wide for traditional Japanese clothing; approx. 140 cm wide for Western clothing)
large part; greater part; people in general; general public; mostly; for the most part
banquet or reception hall
large build; large pattern
major company; big company; front castle gate; force attacking the front of a castle
large drop (rain, sweat, tears, etc.); large grain-like object (grape, cherry, etc.)
great hurry; great haste; rush
large front gate
great antiquity; old-fashioned; long ago
spreading one's legs wide apart; straddle; long stride; big steps; thigh-scooping body drop
rough (estimate, outline, etc.); broad; general; generous; openhanded
large hole; big deficit; heavy losses; long-shot win (in horse racing, etc.); big winnings (on a long shot)
great laughter; burst of laughter
large-hearted; generous; liberal; placid; composed; cool
great difference; major mistake
great haste; mad rush
large-scale
large number of people
large number of people
somewhat large; of a larger size; on the large size; large swing (bat, racquet, etc.); long sweeping stroke
deadly serious; deadly earnest
big mouth; mouth opened wide; boastful speech; tall talk; large amount; large quantity
ocean; large sea
heavy rain
bold move (in sumo, judo, etc.); daring move; powerful technique
big hit; big prize; bumper crop; striking it rich; right on the mark; bonanza
major cleanup; spring cleaning
big job; great task
very rich person; the super rich
large room; green room; waiting room for performers when off stage; junior actor; actor of small parts; large hospital room (for several patients)
extra-long sword
big quarrel; huge fight; big row
crying hard; crying one's eyes out; loud crying; wailing; profuse weeping
major earthquake; large earthquake
heavy snow
major dealer; wealthy merchant
outrageous lie; outright lie
current master; father of one's current master; minister (of government); noble; (arch.) nobleman's residence
leading figure; influential figure; mogul
large amount of baggage; bulky baggage; cargo
large pot; cauldron
large profit; a killing
august (in ref. to the emperor or the gods); imperial; divine
large stage; grand stage; the big stage; grand setting
(one's) father-in-law; (one's) employer; master; principal supporter of a temple; influential temple parishioner
wide place; starting field containing any of the January, March or August 20-point cards
granduncle
great tumult; great strife; big loud bang; bustle; dirdum; hell broken loose
final scene; the end; finale
large size (paper, book, etc.); ōban; large oval gold coin used in the Edo period
stage setting; scenery; stagehand; sceneshifter
outline; summary; gist; basic points
emperor; king; prince
emperor; king; prince
large character; large writing
do-or-die game; crucial contest
lady of the house
Izumo Grand Shrine
bow; longbow
fight; scuffle
large burn or scald
large boat
wide turn; detour; the long way around
glorious achievement; distinguished service
grandaunt; great-aunt
tablespoon
box-shaped heavy armour, esp. used on horseback; ō-yoroi
hemp; cannabis; marijuana; pot
working feverishly; strenuous efforts; furious dedication (to a task); (arch.) having dishevelled hair; (arch.) fighting with dishevelled hair
raging storm
big landowner; great landowner; land baron; landed magnate; large landowner; territorial magnate
long arrow; person who can fire a long arrow
large intestine; large bowel; colon
big fire (buildings, etc. on fire)
great purification; purification rite performed twice a year, before daijōsai and after major disasters
great purification; purification rite performed twice a year, before daijōsai and after major disasters
decisive game; important bout; crucial match
master thief; notorious robber
great inconvenience; great deal of trouble; big nuisance; royal pain in the behind
great storm; very severe weather; upset; surprise result; agitation; upheaval
general framework
large sturdy broad-bladed knife, used in woodcraft and hunting
dramatic pose; grand gesture; grandstanding
flat-tasting; bland; lacking in flavor; dull; flat; unimaginative
bragging; showing off; pride
(government) inspector-general (Edo period); upper superintendent officer
first ceremonial offering of rice by newly-enthroned Emperor
gale; strong wind; high wind
humiliation; shame; loss of face
being greatly in the red; taking a big loss; heavy deficit
first-rate sword
large bottle
huge woman; giantess
giant tsunami; giant tidal wave
giant Pacific octopus (Enteroctopus dofleini); North Pacific giant octopus
main roof; housetop
risky speculation; big gamble; large bet
demonstration board (for Go, Shougi, etc.)
roundup (criminals, animals, etc.); manhunt; crackdown; swoop; raid
great victory; big win; huge profit; killing
great victory; big win; huge profit; killing
utter failure; gross mistake; wrong guess
large ginkgo tree; ginkgo-leaf top-knot worn by makuuchi and juryo division wrestlers
special bargain sale
large-scale play; play with an A-list cast; big act; big charade; theatre with a government licence (Edo period)
ōzeki (second highest rank in sumo)
large ditch
ōshinbun; type of Meiji-era newspaper characterized by its use of political commentary written in literary language; major newspaper
large branch; bough
large, bald-headed monster; giant; large, bald man; big baldy; large monk
major stockholder; large shareholder
larger section (of village)
large attendance; full house; capacity audience
heavy sweating; a great deal of sweat
Heian period court song
loud snore
large monk; large, bald man; big baldy; large, bald-headed monster
old-fashioned; antiquated; anachronistic
totally unexpected result; stunning upset
arrogant; haughty; calm; placid
large meal; large meals
leader of a (large) group; large decorative black flagpole tassel made from tail hair (of a yak, horse, ox, etc.) or dyed hemp; puffbird (any bird of family Bucconidae); first makushita rikishi listed on the banzuke
banner headline
very stormy weather (at sea); very poor catch of fish (due to stormy seas)
great enthusiasm; high excitement
senior proprietress (hostess) of a Japanese inn or restaurant
leading figure; prominent figure; big name; star actor (of a troupe)
large hand drum
big bargain sale
well-made; well-done; great success
turbulence; severe quake
billboard; large signboard; first-rate influential performer (theatre, film, etc.); leading star; draw
Japan; Yamato (former province located in present-day Nara Prefecture)
big match; big game; important match; important game
key performer; last performer of the day
wall bearing no exposed pillars
big feet; long stride
heavy turnover (trading)
good mood; excited mood
rough (explanation, details, etc.); broad; general; grabbing a big handful
woman peddler in Kyoto from Ohara (typically with a bundle of sticks, etc. on her head)
great-grandfather
gallery (of a theatre); audience (at a theatre); the masses; the general public
large bell (at a shrine)
large feast; big meal
grand festival
(arch.) streamers (made of linen, paper, etc.) attached to a long pole (used as a wand in grand purification ceremonies); being in great demand
Oshima tsumugi weave; type of pongee from Oshima
big bend (esp. in a road)
Canis Major (constellation); the Greater Dog
large head; person with a large head
great popularity
flop (e.g. movie); total failure; box office bomb
big craze; boom; popular trend; widespread contagion; large outbreak
the last day of the year; New Year's Eve
top ridge of a roof; main ridge of a roof
first seven days of the year
large Japanese pilchard
bighorn sheep (Ovis canadensis)
big ears; (arch.) listening without paying attention
large-scale operators; big traders
formal tea gathering; formal tea party
swallowing a great amount of tea or medicine; tea prepared for the New Year with the first water of the year
Otani sect (of Shin Buddhism)
excitedly; type of rhythm for noh songs
long and abundant moustache
first verse of a nursery rhyme sung by children on cold days (similar to "It's Raining, It's Pouring")
cane toad (Rhinella marina); marine toad; giant toad
giant mottled eel (Anguilla marmorata); marbled eel
glorious reign of the Emperor
the great evil god
major tsunami warning
beluga (species of sturgeon, Huso huso)
backward-twisting overarm throw
boom (e.g. in stock prices)
malus tschonoskii; white angel
forked viburnum (Viburnum furcatum); scarlet leaved viburnum
scarab beetle; sacred scarab (Scarabaeus sacer)
Japanese giant weevil (Sipalinus gigas)
Sebastes iracundus (species of rockfish)
giant petrel (esp. the southern giant petrel, Macronectes giganteus)
northern shrike; great grey shrike (Lanius excubitor)
Latham's snipe (Gallinago hardwickii)
common grackle (Quiscalus quiscula)
Maries' fir (Abies mariesii)
yellow stem borer (Scirpophaga incertulas)
northern flying squirrel (Glaucomys sabrinus)
Rubus croceacanthus (species of raspberry)
Artemisia montana
common house spider (Achaearanea tepidariorum)
Asplenium antiquum (species of spleenwort)
Chinese water chestnut (Eleocharis dulcis var. tuberosa)
kiss-me-over-the-garden-gate (Persicaria orientalis); prince's feather
Pallas's rosefinch (Carpodacus roseus)
Japanese marsh warbler (Megalurus pryeri)
Acheilognathus macropterus (species of cyprinid)
Wels catfish (Silurus glanis)
greater roadrunner (Geococcyx californianus)
giant armadillo (Priodontes maximus)
Fuegian steamer duck (Tachyeres pteneres); Magellanic flightless steamer duck
golden web spider (Nephila pilipes)
Panesthia spadica (species of cockroach)
greater flamingo (Phoenicopterus roseus)
greater sand plover (Charadrius leschenaultii)
Oriental plover (Charadrius veredus); Oriental dotterel
upland buzzard (Buteo hemilasius)
masked owl (Tyto novaehollandiae); Australian masked owl
white-backed woodpecker (Dendrocopos leucotos)
tokay gecko (Gekko gecko)
yellow-bellied glider (Petaurus australis)
cutleaf coneflower (Rudbeckia laciniata); greenhead coneflower
great seahorse (Hippocampus kelloggi); Kellogg's seahorse; offshore seahorse
sea coconut (Lodoicea maldivica); coco de mer; double coconut
tarantula (any spider of family Theraphosidae)
peppered moth (Biston betularia)
falconry (using a northern goshawk)
great god of restoration
eldest sister
sleeper; lumber girder
ogeima (in go); large knight's move
stagehand; sceneshifter
great war; great battle
Japan; ancient name for Japan appearing in the Kojiki
Japan; ancient name for Japan appearing in the Kojiki
big; large; great; greater (of equal court ranks); upper; senior
New Year's Eve; December 31; Jupiter (planet)
large bathhouse
Examples (1 in total)
He's a big liar.