/ Thesaurus / O Synonyms of opv Find synonyms for: Noun1. Sabin vaccine, oral poliovirus vaccine, OPV, trivalent live oral poliomyelitis vaccine, TOPV, poliovirus vaccineusage: an oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitisWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: coincidence Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language