synonym for die
Die, to go out of life, become destitute of vital power and action, is figuratively applied to anything which has the appearance of life. Where the dying night-lamp flickers. Locksley Hall st. 40. An echo, a strain of music, a tempest, a topic, an issue, dies. Expire (literally, to breathe out) is a softer word for die; it is used figuratively of things that cease to exist by reaching a natural limit; as, a lease expires; the time has expired.