1.
to deepen, to intensify
To become deeper or more profound.
秋が深まる。
Autumn deepens.
友情が深まった。
Our friendship deepened.
話し合いを重ねて、お互いの理解が深まった。
Through repeated discussions, our mutual understanding deepened.
深まる is an intransitive godan verb meaning something becomes deeper or more profound on its own.
TRANSITIVITY:
- 自動詞 (intransitive): 深まる - something deepens
- 他動詞 (transitive): 深める - to deepen something
ASPECT (ている):
深まっている indicates a state of being deepened or intensified.
COMMON COLLOCATIONS:
- 秋が深まる: autumn advances/deepens
- 夜が深まる: night grows late
- 理解が深まる: understanding deepens
- 友情が深まる: friendship deepens
- 疑惑が深まる: suspicion deepens
Often used for abstract concepts (relationships, emotions, seasons) rather than physical depth.