chal·lenge 1 vt chal·lenged, chal·leng·ing
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
challenge the regulations; esp: to make a challenge to (a trier of fact)
challenge 2 n
1: a calling into question; esp: a questioning of validity or legality: objection
when the challenge to the statute is in effect a challenge of this basic assumption — Kramer v. Union Free School Dist. No. 15, 395 U.S. 621 (1969) see also batson challenge
challenge for cause: a challenge esp. of a prospective juror based on a specific and stated cause or reason
challenge to the array: a challenge of an entire jury that raises objections to the selection process
peremptory challenge: a challenge esp. of a prospective juror that does not require a stated cause or reason
Merriam-Webster’s Dictionary of Law. Merriam-Webster. 1996.