Breadcrumb Home > Thesaurus > M Synonyms of murderer Find synonyms for: Noun 1. murderer, liquidator, manslayer, criminal, felon, crook, outlaw, malefactor, killer, slayer usage: a criminal who commits homicide (who performs the unlawful premeditated killing of another human being) WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of murderer (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: antebellum Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language