suicide Meaning, Definition & Usage

  1. noun the act of killing yourself
    self-destruction; self-annihilation.
    • it is a crime to commit suicide
  2. noun a person who kills himself intentionally
    felo-de-se.

WordNet

Su"i*cide noun
Etymology
L. sui of one's self (akin to suus one's own) + caedere to slay, to kill. Cf. So, adv., Homicide.
Definitions
  1. The act of taking one's own life voluntary and intentionally; self-murder; specifically (Law), the felonious killing of one's self; the deliberate and intentional destruction of one's own life by a person of years of discretion and of sound mind.
  2. One guilty of self-murder; a felo-de-se.
  3. Ruin of one's own interests. "Intestine war, which may be justly called political suicide." V. Knox.

Webster 1913