1. existing Alive applies to all degrees of life, from that which shows one to be barely existing or existent as a living thing, as when we say he is just alive, to that which implies the very utmost of Synonyms: alive, active, breathing, live, quick, alert, brisk, lively, subsisting, animate, existent, living, vivacious, animated, existing Antonyms: dead, defunct, dull, lifeless, deceased, dispirited, inanimate, spiritless