/ Thesaurus / Z Synonyms of zithromax Find synonyms for: Noun1. azithromycin, Zithromax, antibacterial, antibacterial drug, bactericideusage: a systemic antibacterial medicine (trade name Zithromax) that is prescribed to treat bacterial infections in many different parts of the bodyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language