Breadcrumb Home > Thesaurus > S Synonyms of syringa Find synonyms for: Noun1. mock orange, syringa, Philadelphus coronarius, philadelphususage: large hardy shrub with showy and strongly fragrant creamy-white flowers in short terminal racemes2. 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.Definition and meaning of syringa (Dictionary) ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language