1. favoring one person or side over another - a biased account of the trial - a decision that was partial to the defendant • Syn: biased, colored, coloured, slanted • Similar to: partial 2. not reversible or capable of having either side out • Syn: nonreversible • Ant: reversible (for: nonreversible) 3. involving only one part or side - unilateral paralysis - a unilateral decision • Syn: unilateral • Ant: multilateral (for: unilateral) • Similar to: one-party