Breadcrumb Home > Thesaurus > L Synonyms of lackluster Find synonyms for: Adjective 1. lackluster, lacklustre, lusterless, lustreless, dull (vs. lively) usage: lacking brilliance or vitality; "a dull lackluster life"; "a lusterless performance" 2. lackluster, lacklustre, lusterless, lustreless, dull (vs. bright) usage: lacking luster or shine; "staring with lackluster eyes"; "lusterless hair" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of lackluster (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: voxpopuli Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language