1. wither 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. TENNYSON Locksley H Synonyms: die, cease, decline, expire, perish, decease, depart, fade, wither Antonyms: be born, come into being, flourish, rise again, begin, come to life, grow, rise from the dead, be immortal, exist, live, survive