腐る
くさる
to rot; to go bad; to decay; to spoil
JLPT N3 Common word
Meanings
Godan verb (-ru), Intransitive
to rot; to go bad; to decay; to spoil; to fester; to decompose; to turn sour (e.g. milk)- to corrode; to weather; to crumble
- to become useless; to blunt; to weaken (from lack of practice)
- to become depraved; to be degenerate; to be morally bankrupt; to be corrupt
- to be depressed; to be dispirited; to feel discouraged; to feel down
All 6 meanings
Auxiliary verb, Godan verb (-ru)
to have the audacity to; to be bastard enough to
Rare and archaic meanings (2)
Godan verb (-ru), Intransitive
to lose a betArchaic- to be drenched; to become sopping wetArchaic
Forms
| Plain | Polite | |
|---|---|---|
| Present | 腐るくさる | 腐りますくさります |
| Negative | 腐らないくさらない | 腐りませんくさりません |
| Past | 腐ったくさった | 腐りましたくさりました |
| Past negative | 腐らなかったくさらなかった | 腐りませんでしたくさりませんでした |
| Te-form | 腐ってくさって |
|---|---|
| Potential | 腐れるくされる |
| Passive | 腐られるくさられる |
| Causative | 腐らせるくさらせる |
| Volitional | 腐ろうくさろう |
| Imperative | 腐れくされ |
| Conditional (ば) | 腐ればくされば |
| Conditional (たら) | 腐ったらくさったら |
Example sentences
牛乳が腐った。
The milk has gone bad.
-
Soon ripe, soon rotten.
-
The fruit went bad.
-
Flowing water does not stagnate.
肉は腐ってしまった。
The meat has gone bad.
More examples (10)
肉が腐ってしまった。
The meat has gone bad.
暑いとミルクが腐る。
The hot weather turns milk.
-
This meat has gone bad.
-
One rotten apple spoils the barrel.
-
Eggs tend to go bad in summer.
-
All the eggs went bad.
-
Bad milk tastes sour.
自分を腐らせたくない。
I don't want to let myself go bad.
-
Salt preserves fish from spoilage.
-
This apple is bad.