A practice followed within some Hindu communities, in which a woman kills herself as an act of piety or devotion soon after the death of her…

the practice of sati.

Suicide by disembowelment, as formerly practised by the samurai of Japan, when in circumstances of disgrace, or under sentence of death. Also…

In Japan, suicide at the death of one's lord, self-immolation.

= hara-kiri, n.

the action or an act of taking one's own life in a ritualistic way, esp. in accordance with a religious belief or cultural tradition.

(a) adj. involving both murder and suicide (esp. in murder-suicide pact); (b) n. the action or an act of committing murder immediately before, or…

Death caused by or involving a motor vehicle, esp. a car; spec. suicide committed by deliberately crashing one's car; an instance of this.

the process by which a person who is terminally ill or suffering from an incurable condition voluntarily ends his or her life with the assistance…

The action or fact of a person who is terminally ill or suffering from an incurable condition voluntarily ending his or her own life, (sometimes)…

The action or fact of a person who is terminally ill or suffering from an incurable condition voluntarily ending his or her own life; suicide…

suicide effected with the assistance of another person; esp. the taking of lethal drugs, provided by a doctor for the purpose, by a patient…

an incident in which a person intent on dying manipulates the police into fatally shooting him or her; this as a method of taking one's own life.

Suicide committed by a person, especially a child or young adult, as a result of being bullied.