biological weapon

1. 1.

   any weapon usable in biological warfare

   “they feared use of the smallpox virus as a bioweapon”

   Synonymsbioweaponbioarm

   Broaderweapon of mass destruction

   NarrowerBacillus anthracisclostridium perfringensaflatoxinbotulinstaphylococcal enterotoxin B

Questions about biological weapon

What does biological weapon mean?

biological weapon means "any weapon usable in biological warfare".

What is another word for biological weapon?

Close synonyms include bioweapon, bioarm. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is biological weapon a common word?

biological weapon is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.