/ Thesaurus / I Synonyms of invirase Find synonyms for: Noun1. saquinavir, Invirase, protease inhibitor, PIusage: a weak protease inhibitor (trade name Invirase) used in treating HIVWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language