Use 'peremptory' to describe someone's tone that shows they expect to be obeyed without question. The manager's peremptory tone left no room for discussion.
Pro Tip 2/3
No Arguing
'Peremptory' is useful when stating that an argument won’t change a decision. The teacher gave a peremptory answer that ended the debate.
Pro Tip 3/3
Command Presence
Describe a commanding presence or action as 'peremptory', emphasizing decisiveness. His peremptory gesture silenced the crowd instantly.