/ Thesaurus / C Synonyms of cynancum Find synonyms for: Noun1. cynancum, lianausage: any of various mostly giant tropical lianas of Africa and Madagascar having greenish or purple flowers and long smooth pods; roots formerly used as an emeticWordNet 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