自殺|じさつjisatsu[0]heiban (flat)
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- noun, suru verb, intransitive verbsuicide
Conjugation
| Dictionary form | 自殺する(じさつする) |
|---|---|
| Polite (masu) | 自殺します(じさつします) |
| Negative (nai) | 自殺しない(じさつしない) |
| polite (masen) | 自殺しません(じさつしません) |
| classical zu / nu | 自殺せず・自殺せぬ(じさつせず・じさつせぬ) |
| Past (ta) | 自殺した(じさつした) |
| polite (mashita) | 自殺しました(じさつしました) |
| Past negative (nakatta) | 自殺しなかった(じさつしなかった) |
| polite (masen deshita) | 自殺しませんでした(じさつしませんでした) |
| Te form | 自殺して(じさつして) |
| Potential | 自殺できる(じさつできる) |
| Passive | 自殺される(じさつされる) |
| Causative | 自殺させる(じさつさせる) |
| Causative passive | 自殺させられる(じさつさせられる) |
| Conditional (ba) | 自殺すれば(じさつすれば) |
| tara | 自殺したら(じさつしたら) |
| Volitional | 自殺しよう(じさつしよう) |
| polite (mashou) | 自殺しましょう(じさつしましょう) |
| Imperative | 自殺しろ(じさつしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Related自決じけつWrittenWritten/formal prose. Covers self-determination (「民族自決」) as well as taking one's own life; the suicide sense carries a tragic, solemn tone.
- Related自害じがいWrittenWritten/formal prose. Dying by wounding oneself with a blade or the like; used mostly for historical settings such as samurai.
- Antonym他殺たさつNeutralNeutral. Being killed by someone else; the direct opposite of 「自殺」, used mainly in criminal investigations and case reports.
- Antonym生存せいぞんNeutralNeutral. Living on, surviving; stands opposite to 「自殺」, which means ending one's own life.
Use 「自殺」 for suicide in general. 「自決」 is written prose for a solemn, tragic taking of one's own life (or self-determination); 「自害」 fits historical blade suicides; 「他殺」 is the opposite term in criminal cases.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


