/ Thesaurus / V Synonyms of vincetoxicum negrum Find synonyms for: Noun1. negro vine, Vincetoxicum hirsutum, Vincetoxicum negrum, vineusage: twining vine with hairy foliage and dark purplish-brown flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language