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.