/ Thesaurus / W Synonyms of watermelon vine Find synonyms for: Noun1. watermelon, watermelon vine, Citrullus vulgaris, melon, melon vineusage: an African melonWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: heifer Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language