Breadcrumb Home > Thesaurus > U Synonyms of unilateral Find synonyms for: Adjective 1. unilateral (vs. multilateral), one-sided, one-party usage: involving only one part or side; "unilateral paralysis"; "a unilateral decision" 2. unilateral, lineal (vs. collateral), direct usage: tracing descent from either the paternal or the maternal line only WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of unilateral (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: felicitous Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language