How to say "precisely" in Japanese

Choosing the right word
  • こそCommon
    particleA particle rather than an adverb: it highlights the preceding word with the force of 'it is X that…'. Use it when 'precisely' stresses identity, as in 'that is precisely the point.'
    辛抱しんぼうこそ大事だいじなんだ。↗
    It's patience that counts.
  • ちょうどJLPT N5approx.Common
    adverbCovers 'precisely' for exact amounts, times and degrees: no more and no less, just right. Think 'precisely ten o'clock' or 'precisely the same size.'
    私達わたしたちはちょうど食事しょくじを終おえた所ところです。↗
    We've just finished breakfast.
  • まさにJLPT N3approx.Common
    adverbEmphatic 'precisely': the very thing, the very moment. Fits 'that is precisely what I meant' or 'precisely at that moment', affirming that something is exactly as stated.
    DTPで本ほんを作つくれば、安やすいし早はやいし、まさに一挙いっきょ両得りょうとくだ。↗
    Desktop publishing lets you produce books quickly and cheaply. It's like killing two birds with one stone.
  • きっちりJLPT N1approx.Common
    adverb (with と), suru verbA mimetic word for exactness with no slack: doing, fitting or measuring something precisely, often on schedule or to the exact amount. Its onomatopoeic flavor gives a firm, snug feel.
    私はきっちり3時間じかん待まった。↗
    I have waited a full three hours.
  • adverb, suffixThe loanword 'just': 'precisely' for exact times, amounts and fit — arriving just on time, a just-right size. In many such cases it overlaps with ちょうど.
    時計とけいを確認かくにんすると、21時じジャスト。↗
    Checking the clock it was exactly 21:00.

Use 「こそ」 for emphatic identification ('it is X that…'), 「まさに」 for 'the very' thing or moment, 「ちょうど」 and 「ジャスト」 for exact amounts and timing, and 「きっちり」 for doing or fitting something exactly.

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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