Breadcrumb Home > Thesaurus > L Synonyms of lilac Find synonyms for: Noun 1. lilac, shrub, bush usage: any of various plants of the genus Syringa having large panicles of usually fragrant flowers Adjective 1. lavender, lilac, lilac-colored, chromatic (vs. achromatic) usage: of a pale purple color WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of lilac (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: nonpareil Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language