Breadcrumb Home > Thesaurus > M Synonyms of massacre Find synonyms for: Noun 1. slaughter, massacre, mass murder, carnage, butchery, murder, slaying, execution usage: the savage and excessive killing of many people Verb 1. massacre, slaughter, mow down, kill usage: kill a large number of people indiscriminately; "The Hutus massacred the Tutsis in Rwanda" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of massacre (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: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language