peremptory in Italian
peremptory in Italian
inconfutabile
(legal) Precluding debate or expostulation; not admitting of question or appeal
irrefutabile
(legal) Precluding debate or expostulation; not admitting of question or appeal
perentorio
Positive in opinion or judgment; absolutely certain, overconfident, unwilling to hear any debate or argument (especially in a pejorative sense); dogmatic.
imperioso
Positive in opinion or judgment; absolutely certain, overconfident, unwilling to hear any debate or argument (especially in a pejorative sense); dogmatic.
tassativo
Accepting no refusal or disagreement; imperious, dictatorial.