PEREMPTORY

adj. 1 commanding, imperative, compelling, obligatory, mandatory, irrefutable, incontrovertible, decretal After the sound of marching came a peremptory knock at the door 2 decisive, final, preclusive, arbitrary, categorical, unequivocal, dogmatic, unconditional, unreserved, flat, out-and-out, outright, unqualified, unmitigated The juror was subject to peremptory dismissal because he was the defendant's cousin 3 imperious, authoritative, tyrannical, despotic, dictatorial, autocratic, emphatic, positive, firm, insistent, Colloq bossy: How dare you take such a peremptory tone when speaking to your father!