How to say "large" in Japanese

Choosing the right word
  • 大おおCommon
    prefixSeldom the word you want for 'large' on its own: it functions as a prefix meaning 'great' or 'major', adding a sense of largeness or greatness of degree to the word it precedes.
    大口おおぐち叩たたきは何なんもできない。↗
    Great talkers are little doers.
  • 大だいJLPT N3approx.Common
    prefix, na-adjective, nounChiefly a building block of compounds, where it conveys 'great' or 'huge'; on its own it can appear as a size label meaning 'large', so it is rarely how you say something is large.
    この決定けっていはあなたの提案ていあんに負おうところ大だいであった。↗
    Your suggestion weighed heavily in this decision.
  • 大きいおおきいJLPT N5approx.Common
    i-adjectiveThe general adjective for size, covering things big, large, or great in scale; unlike 大きな, it can serve as the predicate of a sentence as well as modify nouns.
    きみは何なんと大おおきい家いえを持もっているんだろう。↗
    What a big house you have!
  • 大きなおおきなJLPT N5approx.Common
    pre-noun adjectivalCovers the same 'big; large; great' ground but only modifies nouns and cannot end a sentence; a natural choice when you simply want to describe something like a large house or a big problem.
    アメリカ人あめりかじんの中なかには大おおきな借金しゃっきんを抱かかえている人ひとがいる。↗
    Some Americans have grave debts.
  • 大型おおがたCommon
    no-adjectiveDescribes things classified by size category — large-sized or large-scale — rather than simply 'big'; typical of vehicles, machinery, and animals that come in size classes.
    大型おおがたと小型こがたの2台だいの飛行機ひこうきが、ハンガー内ないで停止ていししていました。↗
    Two airplanes, one large and one small, were at rest in the hangar.

「大きい」 is the adjective for stating or attributing size, 「大きな」 its before-noun-only counterpart, 大型 describes things classed as large-sized or large-scale, and both readings of 大 work chiefly inside compounds rather than as standalone words.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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