JMdict: 1602780

不貞腐れる 【ふてくされる】

  1. [v1,vi] to become sulky; to become irresponsible (due to disgruntlement)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
不 Negative, Non-, Bad, Ugly, Clumsy フ, ブ 4
貞 Upright, Chastity, Constancy, Righteousness テイ さだ
腐 Rot, Decay, Sour フ くさ.る, -くさ.る, くさ.れる, くさ.れ, くさ.らす, くさ.す