How to say "correct" in Japanese

Choosing the right word
  • 正しいただしいJLPT N4approx.Common
    i-adjectiveThe adjective for something that is right or correct: the right answer, the right way of doing things. It judges right or wrong, while 正確 is about being accurate and free of error.
    これが正ただしいかどうか自信じしんがないんだ。↗
    I'm not sure if this is correct.
  • 正確せいかくJLPT N3approx.Common
    na-adjective, nounCovers 'correct' in the sense of accurate and exact: correct information, figures, the time. Choose it when the point is precision — that facts, details or measurements contain no error.
    この時計とけいの時間じかんは正確せいかくだ。↗
    This watch keeps correct time.
  • 正すただすCommon
    godan verb, transitive verbA verb meaning to correct in the sense of setting right: to rectify an error or reform conduct. It overlaps with 直す but frames the act as restoring something to what is right.
    間違まちがいがあれば正ただしなさい。↗
    Correct errors, if any.
  • 正則せいそくCommon
    na-adjective, no-adjectiveMarginal as a way to say 'correct': its real meanings are 'proper', 'formal' and 'regular', describing conformity to a rule or pattern. For saying something is correct, it is seldom the word you want.
  • 直すなおすJLPT N4approx.Common
    godan verb, transitive verbA verb for putting things right: it covers repairing or fixing something, and correcting a mistake or a bad habit. For the action of correcting, this is usually the word you want.
    いまそれを直なおそうったって無駄むだだ。↗
    It's no use trying to fix it now.

Use the adjective 「正しい」 for what is right and 正確 for what is accurate; use the verbs 「直す」 or 「正す」 to correct something, while 正則 (regular, proper) is seldom the word you want.

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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