/ Thesaurus / N Synonyms of narcotic antagonist Find synonyms for: Noun1. narcotic antagonist, antagonistusage: an antagonist used to counteract the effects of narcotics (especially to counteract the depression of respiration)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language