How to say "unpleasant" in Japanese

Choosing the right word
  • いやらしいJLPT N1approx.Common
    i-adjectiveCovers 'unpleasant' in the sense of nasty or disagreeable, typically about behavior or things that put you off; it can also suggest something sly or lewd.
    彼女かのじょの厚あつ化粧けしょうが嫌いやらしい。↗
    Her thick makeup is disgusting.
  • 苦々しいにがにがしいCommon
    i-adjectiveDescribes 'unpleasant' as a bitter, loathsome feeling directed at someone's shameful or contemptible behavior; it names the speaker's distaste rather than the thing itself.
    私はそれをとても苦々にがにがしく思おもう。↗
    I'm very bitter about that.
  • 不愉快ふゆかいCommon
    na-adjective, nounThe general, neutral choice for 'unpleasant': experiences, remarks, or treatment that displease you or make you uncomfortable. When unsure which word fits, this is the safe default.
    私は非常ひじょうに不愉快ふゆかいだ。↗
    I'm really unhappy about this.
  • 気持ち悪いきもちわるいCommon
    i-adjectiveFor 'unpleasant' meaning revolting or gross — something that literally or figuratively turns your stomach or makes your skin crawl. Stronger and more visceral than mere displeasure.
    なんかそれ、ブヨブヨしていて気持きもち悪わるいね。↗
    Oooh, gross! What is that stuff? It's all spongy.
  • まずいJLPT N5approx.Common
    i-adjectiveReally means bad-tasting or unpalatable; choose it when 'unpleasant' refers to food or drink that tastes bad. It is seldom the word you want for unpleasant experiences or feelings generally.
    すき腹はらにまずいものなし。↗
    Hunger is the best sauce.

Use 不愉快 for unpleasantness in general, 「いやらしい」 for nasty or off-putting things, 「苦々しい」 for bitter distaste at conduct, 「気持ち悪い」 for visceral revulsion, and 「まずい」 only for bad-tasting food.

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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