/ Thesaurus / N Synonyms of nalidixic acid Find synonyms for: Noun1. nalidixic acid, NegGram, antibacterial, antibacterial drug, bactericideusage: antibacterial agent used especially to treat genitourinary infectionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language