/ Thesaurus / R Synonyms of rose of sharon Find synonyms for: Noun1. rose of Sharon, Hibiscus syriacus, hibiscususage: Asiatic shrub or small shrubby tree having showy bell-shaped rose or purple or white flowers and usually three-lobed leaves; widely cultivated in temperate North America and EuropeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: beseech Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language