Breadcrumb Home > Thesaurus > H Synonyms of haldol Find synonyms for: Noun 1. haloperidol, Haldol, major tranquilizer, major tranquillizer, major tranquilliser, antipsychotic drug, antipsychotic agent, antipsychotic, neuroleptic drug, neuroleptic agent, neuroleptic usage: tranquilizer (trade name Haldol) used to treat some psychotic disorders and Tourette's syndrome WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of haldol (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: bilious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language