/ Thesaurus / F Synonyms of four party Find synonyms for: Adjective1. quadripartite, four-party, multilateral (vs. unilateral), many-sidedusage: involving four partiesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language