/ Thesaurus / S Synonyms of sulfa drug Find synonyms for: Noun1. sulfa drug, sulfa, sulpha, sulfonamide, antibacterial, antibacterial drug, bactericideusage: antibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABAWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language