How to say "big" in Japanese
Choosing the right word
- 大きいおおきいi-adjectiveThe plain adjective for saying that something is big; it can modify a noun or stand as the predicate of a sentence, so it is the usual choice for a direct statement of size.
- 大きなおおきなpre-noun adjectivalAlso 'big', but only before nouns: it cannot end a sentence, and it often adds a slightly subjective nuance, expressing the speaker's overall sense that something is large or great.
- 大おおprefixNot an independent adjective: this reading of 大 works as a prefix meaning 'great' or 'major', appearing inside other words rather than standing alone to say that something is big.
- 大だいprefix, na-adjective, nounThe same character in its other reading, likewise chiefly a building block inside compounds; it is seldom the direct way to say that something is big.
- na-adjectiveThe borrowed English word, found mainly in names, titles and promotional language; it is seldom the word you want to describe size in an ordinary sentence, where 大きい or 大きな does the job.
Use the adjective 「大きい」 to say something is big, 「大きな」 when modifying a noun with a subjective nuance, the two readings of 大 inside compounds, and 「ビッグ」 mainly in names and titles.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only
Japanese equivalents
See also
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