/ Thesaurus / G Synonyms of genus syringa Find synonyms for: Noun1. Syringa, genus Syringa, dicot genus, magnoliopsid genususage: genus of Old World shrubs or low trees having fragrant flowers in showy panicles: lilacsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language