How to say "clear" in Japanese

Choosing the right word
  • 明らかあきらかJLPT N3approx.Common
    na-adjectiveFor 'clear' meaning evident or plain: a fact, reason, or situation that is obvious and leaves no doubt. Typical when something becomes clear or is clear to everyone.
    その船ふねが沈しずんだのは明あきらかだ。↗
    It is clear that the ship sank.
  • 明確めいかくJLPT N3approx.Common
    na-adjectiveFor 'clear' meaning precise and definite: an answer, intention, boundary, or distinction stated or drawn so sharply that no ambiguity remains. It stresses unambiguous definition rather than obviousness.
    この語ごを明確めいかくに定義ていぎできますか。↗
    Can you clearly define this word?
  • 透明とうめいJLPT N2approx.Common
    na-adjective, no-adjectiveThe literal, physical sense: 'clear' meaning transparent, like glass or water that you can see through. If you mean evident or well defined, this is not the word you want.
    この透明とうめいな液体えきたいには毒どくが含ふくまれている。↗
    This transparent liquid contains poison.
  • 澄ますすますJLPT N1approx.Common
    godan verb, transitive verbA verb, not an adjective: it means to clear something or make it clear, rather than to describe something as clear. For the adjectival senses of 'clear', use one of the other words.
  • 明瞭めいりょうJLPT N1approx.Common
    na-adjective, nounFor 'clear' meaning distinct and easy to make out: something perceived sharply, such as speech, sound, or an image. It is close to 明らか but stresses distinctness rather than obviousness.
    その2語ごの用法ようほうの区別くべつは明瞭めいりょうである。↗
    The distinction in usage between the two words is clear.

Use 「明らか」 for what is evident or plain, 明確 for what is precise and definite, 透明 for physically transparent things, 「澄ます」 as the verb 'to clear', and 明瞭 for what is distinct and easy to make out.

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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