/ Thesaurus / R Synonyms of rhododendron maxima Find synonyms for: Noun1. rosebay, Rhododendron maxima, rhododendronusage: late-spring-blooming rhododendron of eastern North America having rosy to pink-purple flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language