Толковый словарь английского языка Oxford English Reference - suicide

n. & v. --n. 1 a the intentional killing of oneself. b a person who commits suicide. 2 a self-destructive action or course (political suicide). 3 (attrib.) Mil. designating a highly dangerous or deliberately suicidal operation etc. (a suicide mission). --v.intr. commit suicide. Phrases and idioms suicide pact an agreement between two or more people to commit suicide together. Etymology: mod.L suicida, suicidium f. L sui of oneself