peremptorily

adv

1. In a peremptory manner; in a commanding tone, brooking no delay.

   “He was peremptorily summoned to see the commanding officer.”

   “1597, Francis Bacon, Essays, New York: T.Y. Cromwell, 1901, LVII, "Of Anger", p. 233, https://archive.org/details/essaysoffrancisb00baco […] that you doe not peremptorily break off, in any Businesse, in a Fitt of Anger: But howsoever you shew Bitternes, do not Act any thing, that is not Revocable.”

   “I shall not peremptorily deny, that from most of such mixt bodies as partake either of animal or vegetable nature, there may by the help of the fire be actually obtained a determinate number […] of substances, worthy of differing denominations.”

   “How have I offended you? Twice have I called this morning, and each time you have been peremptorily denied.”

   “[…] the door-bell jingled peremptorily, and the girl left waiting on the table to go and answer it.”