Litigate \Lit"i*gate\, v. t. [imp. & p. p. {Litigated}; p. pr. & vb. n. {Litigating}.] [See {Litigation}.] To make the subject of a lawsuit; to contest in law; to prosecute or defend by pleadings, exhibition of evidence, and judicial debate in a court; as, to litigate a cause. [1913 Webster]