腐る
くさる
kusaru
JLPT N3verbVocabularyLevel 47 - JLPT N3
Quick answer
腐る (くさる (kusaru)) means "to rot". It is read くさる (kusaru). This page covers its usage with example sentences.
Meaning
to rot
Also : to decay · to go bad · to spoil · to decompose
Learn 腐る with SRS
Free to start — no credit card. Track every review with spaced repetition.
Example Sentences
食べ物が腐る危険があるので、冷蔵庫に入れます。
たべものがくさるきけんがあるので、れいぞうこにいれます。
Since there's a risk of food rotting, I put it in the refrigerator.
バナナが腐る前に食べるべきです。
バナナがくさるまえにたべるべきです。
You should eat the banana before it rots.
Kanji in this word
Grammar to study at this level
- [Verb dictionary/nai form] + ように～ように (you ni) - So that
- [Verb dictionary form] + ことにする～ことにする (koto ni suru) - Decide to
- [Verb dictionary form] + ことになる～ことになる (koto ni naru) - It has been decided that
- [Noun/Verb te-form] + ばかり～ばかり (bakari) - Only / Nothing but
- [Verb/Adjective plain form] + はずだ～はずだ (hazu da) - Should be / It is expected
Last updated Jul 22, 2026
Learn 腐る with Spaced Repetition
InitialJ uses scientifically proven SRS to help you memorize kanji and vocabulary for the JLPT. N5 is free forever; no credit card required.