/ Thesaurus / G Synonyms of genus rhododendron Find synonyms for: Noun1. genus Rhododendron, dilleniid dicot genususage: large genus of evergreen shrubs native to cooler regions of the northern hemisphere having showy flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language