腐る

くさる

to rot

N3 #6,347

Meanings

  1. godan verb, intransitive to rot; to go bad; to decay; to spoil; to fester; to decompose; to turn sour (e.g. milk)
  2. to corrode; to weather; to crumble
  3. to become useless; to blunt; to weaken (from lack of practice)
  4. to become depraved; to be degenerate; to be morally bankrupt; to be corrupt
  5. to be depressed; to be dispirited; to feel discouraged; to feel down
  6. auxiliary verb, godan verb, usually in kana, Kansai-ben, after the -masu stem of a verb; indicates scorn or disdain for another's action to have the audacity to; to be bastard enough to
  7. godan verb, intransitive, archaic to lose a bet
  8. archaic to be drenched; to become sopping wet

Its kanji

In sentences

牛乳ぎゅうにゅうが腐くさった。 The milk has gone bad. #182295

その果物くだものは腐くさった。 The fruit went bad. #212013

流ながれる水みずは腐くさらず。 Flowing water does not stagnate. #3073540

肉にくは腐くさってしまった。 The meat has gone bad. #122986

肉にくが腐くさってしまった。 The meat has gone bad. #122998

暑あついとミルクが腐くさる。 The hot weather turns milk. #147482

この肉にくは腐くさっている。 This meat has gone bad. #220231

卵たまごが皆みな腐くさってしまった。 All the eggs went bad. #78505