peremptories

adjective | \ pə-ˈremp-tə-rē \ | pe·remp·to·ry

1. : permitting no dispute, alternative, or delay; specifically : not providing an opportunity to show cause why one should not comply when the right to require the performance of the act is clear and it is apparent that no valid excuse can be given for not performing it, a peremptory mandamus may be allowed —Revised Statutes of Nebraska : not providing an opportunity to show cause why one should not comply when the right to require the performance of the act is clear and it is apparent that no valid excuse can be given for not performing it, a peremptory mandamus may be allowed —Revised Statutes of Nebraska

2. : not requiring cause — see also peremptory challenge at challenge

noun

1. : peremptory challenge at challenge