/ Thesaurus / D Synonyms of dynapen Find synonyms for: Noun1. dicloxacillin, Dynapen, antibacterial, antibacterial drug, bactericideusage: antibacterial (trade name Dynapen) used to treat staphylococcal infections that are resistant to penicillinWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language