'Peremptorily' definitions:

Definition of 'peremptorily'

(from WordNet)
adverb
In an imperative and commanding manner [syn: imperatively, peremptorily]

Definition of 'Peremptorily'

From: GCIDE
  • Peremptorily \Per"emp*to*ri*ly\, adv. In a peremptory manner; absolutely; positively. --Bacon. [1913 Webster]