/ Thesaurus / B Synonyms of biface Find synonyms for: Adjective1. biface, bifacial, bidirectional (vs. unidirectional)usage: having two faces or fronts; "the Roman Janus is bifacial"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: devout Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language