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腐る
Readings

kusaru
English
Godan verb with 'ru' ending
Intransitive verb
to rot, to go bad, to decay, to spoil, to fester, to decompose, to turn sour (e.g. milk)

Godan verb with 'ru' ending
Intransitive verb
to corrode, to weather, to crumble

Godan verb with 'ru' ending
Intransitive verb
to become useless, to blunt, to weaken (from lack of practice)

Godan verb with 'ru' ending
Intransitive verb
to become depraved, to be degenerate, to be morally bankrupt, to be corrupt

Godan verb with 'ru' ending
Intransitive verb
See also: 気が腐る・きがくさる
to be depressed, to be dispirited, to feel discouraged, to feel down

Auxiliary verb
Godan verb with 'ru' ending
See also: やがる
Usually written using kana alone
after the -masu stem of a verb; indicates scorn or disdain for another's action
Dialect: Kansai-ben
to have the audacity to, to be bastard enough to

Godan verb with 'ru' ending
Intransitive verb
Archaism
to lose a bet

Godan verb with 'ru' ending
Intransitive verb
Archaism
to be drenched, to become sopping wet

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Conjugated forms
Present, Future くさる, くさります
[does], will [do]
くさらない, くさりません
doesn't [do], will not [do]
Past くさった, くさりました
[did]
くさらなかった, くさりませんでした
didn't [do]
Te-form, Continuative くさって, くさりまして くさらないで, くさりませんで くさらなくて
Kanjis
ON: KUN: くさ.る, -くさ.る, くさ.れる, くさ.れ, くさ.らす, くさ.す
rot, decay, sour

Stroke: 14 JLPT: N1 SKIP: 3-3-11 FC: 0022.2


Phrases
これらのオレンジは腐っている。
Parts: 此れ等 (これらの) オレンジ 腐る (くさる)
These oranges have gone bad.
These oranges have rotted.