Meanings Jump to a sense… 1. large; big; great; major; important; serious; heavy; loud 2. older; senior 3. final; ultimate 4. rough; broad; general Expressions· 14 大おお 寒さむ 小こ 寒さむ first line of a children's cold-weather rhyme やや 大おお きい biggish; largish; somewhat large より 大おお きい greater than ...; bigger than ... · bigger ...; larger ... 大おお きくなる grow up; become an adult · become big; grow in size Show 3 more Show fewer 大おお 恥はじ をかく feel deeply ashamed; be mortified; have egg on one's face See all 14 in Explore →
Opposites 大 (おお ) as a prefix marks something as big or great (大雨 , big rain), while 小 (こ ) marks it as small or minor (小雨 , light rain).
Word family· 423 big; large; spacious; extensive · loud · important; significant; major · older; grown-up
big; large; great
large; large-sized; large-scale
major company; big corporation; leading firm · front castle gate · force attacking the front of a castle
big; large; drastic; substantial · full-width cloth
Show 25 more Show fewer crowd; many people · in large numbers; many people (adverbially)
large island · Oshima tsumugi (abbreviation)
large field; broad open field
imperial palace; shrine · Grand Empress Dowager; Empress Dowager · imperial mother; elderly imperial woman
very; greatly; a lot
loud voice; shout
heavy rain; downpour; torrential rain
big shot; heavyweight; important person · big one; big catch; valuable thing
uproar; commotion; fuss
large bridge; big bridge
big river; large river
landlord; landlady
on the large side; slightly larger; a little big
exaggerated; overblown; grandiose
great joy; delight; jubilation
large forest
ancient times; prehistoric times; the distant past; a very long time ago
about; roughly; approximately · generally; on the whole; as a rule · completely; quite; entirely; not at all (with neg. verb) · outline; gist
great success; big hit; smash hit · jackpot; big win · right on the mark; spot on; hitting the nail on the head · bumper crop · excellent hitting
big; large; great
big mouth; wide-open mouth · boasting; tall talk; big talk · large amount; large quantity; bulk
New Year's Eve
main street; avenue; boulevard
large serving; large portion
heavy snow; heavy snowfall · "major snow" solar term (approx. Dec. 7)
See all 423 in Explore →
Written forms 大おお Usage 89%
Standard kanji spelling for the prefix おお .
オオ Usage 6%
おお Usage 4%
Kana spelling is sometimes used in informal writing or when the kanji is not needed.
Etymology Native Japanese prefix related to the adjective 大きい (おおきい , 'big'). The reading おお is the older form, while だい is the Sino-Japanese reading.
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