/ Thesaurus / S Synonyms of sulfamethazine Find synonyms for: Noun1. sulfamethazine, sulfamezathine, sulfa drug, sulfa, sulpha, sulfonamideusage: a sulfa drug used like sulfadiazine and also in veterinary medicineWordNet 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