Suicide /(?)/

Su·i·cide

Suicide

n.
  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. (Law)
  2. One guilty of self-murder; a felo-de-se.
  3. Ruin of one's own interests.