ムッとmutto

Common
むっとmutto
Definitions
  1. suru verb, intransitive verb, adverbto be offended; to get angry; to be annoyed; to be miffed; to be huffy; to be sullen; to be upset
  2. suru verb, intransitive verb, adverbto be stuffy; to be stifling; to be muggy
  3. adverbfirmly (shutting one's mouth)
Conjugation
Dictionary formムッとする
Polite (masu)ムッとします
Negative (nai)ムッとしない
polite (masen)ムッとしません
classical zu / nuムッとせず・ムッとせぬ
Past (ta)ムッとした
polite (mashita)ムッとしました
Past negative (nakatta)ムッとしなかった
polite (masen deshita)ムッとしませんでした
Te formムッとして
Potentialムッとできる
Passiveムッとされる
Causativeムッとさせる
Causative passiveムッとさせられる
Conditional (ba)ムッとすれば
taraムッとしたら
Volitionalムッとしよう
polite (mashou)ムッとしましょう
Imperativeムッとしろ

Common forms generated by rule; see the senses for honorific or irregular usage.

Synonyms & antonyms
  • RelatedむっつりNeutralSullen and silent all along; stresses sustained taciturnity, whereas 「ムッと」 is a momentary show of displeasure.
  • Related機嫌悪くNeutralBeing in a bad mood; stresses a lasting sulk, while 「ムッと」 is a momentary flash of displeasure.
  • AntonymニコニコNeutralGrinning cheerfully; the opposite of 「ムッと」, which is suddenly scowling.
  • Antonym朗らかほがらかNeutralCheerful and sunny; the opposite of 「ムッと」, which shows displeasure on one's face.

Use 「ムッとする」 for a sudden flash of displeasure, as in 「失礼な言い方にムッとした」, or for stifling heat as in 「ムッとする暑さ」. For a lasting bad mood use 機嫌悪く, for sustained sullen silence むっつり; ニコニコ and 朗らか are opposites.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese definitions
  1. 気きに入はいらないことがあって、腹はらを立たてたり不機嫌ふきげんになったりする。
  2. 空気くうきが重おもく、息苦いきぐるしい状態じょうたいである。
  3. 口くちをしっかり閉とじたまま、何なんも言いわない様子ようす。

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