/ Thesaurus / B Synonyms of bw defense Find synonyms for: Noun1. biological warfare defense, biological warfare defence, BW defense, BW defence, defense, defence, defensive measureusage: defense against biological warfareWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language