Definition - Transitive Verb 1: to dispute esp. as being invalid or unjust <counsel challenged this interpretation> 2: to question formally (as by a suit or motion) the legality or legal qualifications of <~ the regulations> esp : to make a challenge to (a trier of fact) <the grounds for challenging prospective jurors W. R. LaFave and A. W. Scott, Jr.> compare recuse
Definition - Noun 1: a calling into question esp : a questioning of validity or legality : See also objection<when the ~ to the statute is in effect a ~ of this basic assumption Kramer v. Union Free School Dist. No. 15, 395 U.S. 621 (1969)> see also batson challenge 2: a request to disqualify a trier of fact (as a jury member or judge) compare recusalstrike