/ Thesaurus / F Synonyms of flavivirus Find synonyms for: Noun1. flavivirus, animal virususage: animal viruses belonging to the family FlaviviridaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language