peremptory

 
Pronunciation: /pəˈrɛm(p)t(ə)ri, ˈpɛrɪm-/

adjective

  • insisting on immediate attention or obedience, especially in a brusquely imperious way: ‘Just do it!’ came the peremptory reply
  • Law not open to appeal or challenge; final: a peremptory order of the court

Derivatives

peremptorily

adverb

peremptoriness

noun

Origin:

late Middle English (as a legal term): via Anglo-Norman French from Latin peremptorius 'deadly, decisive', from perempt- 'destroyed, cut off', from the verb perimere, from per- 'completely' + emere 'take, buy'