/ Thesaurus / J Synonyms of japan bittersweet Find synonyms for: Noun1. Japanese bittersweet, Japan bittersweet, oriental bittersweet, Celastrus orbiculatus, Celastric articulatus, vineusage: ornamental Asiatic vine with showy orange-yellow fruit with a scarlet aril; naturalized in North AmericaWordNet 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