/ Thesaurus / H Synonyms of hybrid tuberous begonia Find synonyms for: Noun1. hybrid tuberous begonia, Begonia tuberhybrida, tuberous begoniausage: any of numerous hybrid begonias having tuberous roots and variously colored flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: placate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language