biological warfare bio·lo·gi·calwarfare uncommon noun 1. the use of bacteria or viruses or toxins to destroy men and animals or food Synonymsbiological warfareBWbiological attackbiologic attackbioattack Related words Word family biological warfare defencebiological warfare defense Broader terms war Narrower terms germ warfare WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
