/ Thesaurus / C Synonyms of cephaloridine Find synonyms for: Noun1. cephaloridine, antibiotic, antibiotic drugusage: a broad spectrum semisynthetic antibiotic produced by modifying cephalosporinWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language