n. [ L. sui of one's self (akin to suus one's own) + caedere to slay, to kill. Cf. So, adv., Homicide. ] 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. [ 1913 Webster ]
2. One guilty of self-murder; a felo-de-se. [ 1913 Webster ]
3. Ruin of one's own interests. “Intestine war, which may be justly called political suicide.” V. Knox. [ 1913 Webster ]
(v) suicide, See Also: take one's own life, Syn. ฆ่าตัวตาย, Example:เมื่อเขาถูกนินทาบ้าง วิจารณ์บ้าง ก็เลยคิดสั้นด้วยการฆ่าตัวตาย, Thai Definition:คิดทำลายตนเองเพราะหาทางออกไม่ได้
(n) an agreement by two or more people to commit suicide together at a given place and time, Example:the two lovers killed themselves in a suicide pact