How to say "clearly" in Japanese

Choosing the right word
  • はっきりJLPT N4approx.Common
    adverb (with と)The default 'clearly': something perceived, said, remembered or understood without vagueness. Use it when a shape, sound, statement or intention is unmistakable, rather than sharply contrasted or decisive.
    そして書かかれていることはすべて完全かんぜんにはっきりと書かかれている。↗
    And then everything that was written was completely clear.
  • くっきりJLPT N1approx.Common
    adverb (with と), suru verbCovers 'clearly' in the visual sense of standing out sharply: outlines, shapes or figures well-defined against their background. It is about crisp contrast, not about how someone speaks or decides.
    その木きは空そらにくっきりと浮かび上うかびあがっていた。↗
    The tree was clearly defined against the sky.
  • きっぱりJLPT N1approx.Common
    adverb (with と), suru verbMatches 'clearly' only through its 'decisively' side: refusing, denying or declaring a position flatly and without hedging. It describes the manner of a statement, never the clarity of something seen or heard.
    彼かれは私を中なかに入いれるのをきっぱりと断ことわった。↗
    He flatly refused to let me in.
  • 判然はんぜんCommon
    adverb (with と), suru verb, noun, taru-adjective, intransitive verbPresents 'clearly' as a state: a difference, boundary or fact being clear-cut and evident. Suited to matters of distinction — whether two things can be told apart — rather than to sensory impressions.
    どちらが望のぞんだのか判然はんぜんとはしない。↗
    It isn't clear which of them wanted that.
  • adverbA marginal match: its core sense is coverage — reaching every corner, leaving nothing unsearched or unlit. The 'brightly, clearly' side describes light with no dark corners; seldom the word for plain 'clearly'.

「はっきり」 is the all-purpose 'clearly' for what is seen, heard, said or remembered; 「くっきり」 adds sharp visual contrast; 「きっぱり」 means decisively; 判然 marks clear-cut distinctions; 「くまなく」 is really about light or coverage, not clarity.

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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