/ Thesaurus / S Synonyms of suffocation Find synonyms for: Noun1. suffocation, asphyxiation, killing, kill, putting to deathusage: killing by depriving of oxygen2. suffocation, asphyxiation, hypoxiausage: the condition of being deprived of oxygen (as by having breathing stopped); "asphyxiation is sometimes used as a form of torture"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language