Suicide

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.

One guilty of self-murder; a felo-de-se.

Ruin of one's own interests.

the act of killing yourself; "it is a crime to commit suicide"