characterized by imperious or arrogant self-assurance
a peremptory tone
expressive of urgency or command
a peremptory call
in law, admitting no contradiction or refusal
a peremptory court order
peremptorily adv
peremptoriness noun
[late Latin peremptorius deadly, decisive, from Latin peremptus, past part. of perimere to take entirely, destroy, from per- + emere to take]