/ Thesaurus / O Synonyms of one party Find synonyms for: Adjective1. one-party, unilateral (vs. multilateral), one-sidedusage: determined by a single partyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language