/ Thesaurus / S Synonyms of self annihilation Find synonyms for: Noun1. suicide, self-destruction, self-annihilation, killing, kill, putting to deathusage: the act of killing yourself; "it is a crime to commit suicide"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language