/ Thesaurus / N Synonyms of nsaid Find synonyms for: Noun1. nonsteroidal anti-inflammatory, nonsteroidal anti-inflammatory drug, NSAID, anti-inflammatory, anti-inflammatory drugusage: an anti-inflammatory drug that does not contain steroids; "NSAIDs inhibit the activity of both Cox-1 and Cox-2 enzymes"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language