peremptory
/pəˈremptərɪ/adjective
1- (especially of a person's manner or actions) insisting on immediate attention or obedience, especially in a brusquely imperious way（尤指人的举止或行为）专横的, 霸道的; 盛气凌人的：
'Just do it!' came the peremptory reply.
“马上做！”传来蛮横的回答。
1.1
- Law not open to appeal or challenge; final【律】绝对的, 强制的, 不能上诉的; 最终的：
there has been no disobedience of a peremptory order of the court.
对法院的强制命令没有不服从的。
派生词
peremptorily
adverbperemptoriness
noun词源
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'.