| Noun | 1. | suicide - the act of killing yourself; "it is a crime to commit suicide"assisted suicide - suicide of a terminally ill person that involves an assistant who serves to make dying as painless and dignified as possible felo-de-se - an act of deliberate self destruction hara-kiri, harakiri, harikari - ritual suicide by self-disembowelment on a sword; practiced by warriors in the traditional Japanese society suttee - the act of a Hindu widow willingly cremating herself on the funeral pyre of her dead husband | |