/ Thesaurus / V Synonyms of variola virus Find synonyms for: Noun1. variola virus, smallpox virus, poxvirususage: the virus that causes smallpox in humans; can be used as a bioweaponWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rotund Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language