/ Thesaurus / T Synonyms of triavil Find synonyms for: Noun1. perphenazine, Triavil, minor tranquilizer, minor tranquillizer, minor tranquilliser, antianxiety drug, anxiolytic, anxiolytic drugusage: tranquilizer and antidepressant (trade name Triavil) sometimes used as an antiemetic for adultsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language