Breadcrumb Home > Thesaurus > D Synonyms of decimate Find synonyms for: Verb 1. decimate, kill usage: kill one in every ten, as of mutineers in Roman armies 2. eliminate, annihilate, extinguish, eradicate, wipe out, decimate, carry off, kill usage: kill in large numbers; "the plague wiped out an entire population" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of decimate (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: fatuous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language