/ Thesaurus / J Synonyms of japanese lilac Find synonyms for: Noun1. Japanese lilac, Syringa villosa, lilacusage: lilac of northern China having ovate leaves and profuse early summer rose-lilac flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language