1.
suicide, self-destruction
The act of intentionally taking one's own life.
Counseling systems at schools were strengthened to prevent youth suicide.
自殺する is used as a する-verb meaning "to commit suicide."
COMMON COLLOCATIONS:
- 自殺する (to commit suicide)
- 自殺を図る (to attempt suicide)
- 自殺未遂 (attempted suicide)
- 自殺予防 (suicide prevention)
- 自殺率 (suicide rate)
Note: This is a sensitive topic. In Japan, there are help resources like "いのちの電話" (Inochi no Denwa - Lifeline).