/ Thesaurus / C Synonyms of crassula Find synonyms for: Noun1. Crassula, genus Crassula, plant genususage: type genus of Crassulaceae; herbs and small shrubs having woody stems and succulent aerial partsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language