1. offensively self-assured or given to exercising usually unwarranted power;

   "an autocratic person"
   "autocratic behavior"
   "a bossy way of ordering others around"
   "a rather aggressive and dominating character"
   "managed the employees in an aloof magisterial way"
   "a swaggering peremptory manner"
   

2. not allowing contradiction or refusal;

   "spoke in peremptory tones"
   "peremptory commands"
   

3. putting an end to all debate or action;

   "a peremptory decree"
   

1.跋扈的；专横的；霸道的
Someone who does something in aperemptory way does it in a way that shows that they expect to be obeyed immediately.

peremptory

e.g. With a brief, almostperemptory gesture he pointed to a chair.
他做了一个简单的手势，近乎霸道地指着椅子。

1. 绝对,强制的：perdurable 持久,不朽的 |peremptory 绝对,强制的 | perennial 永久的

2.

2. 断然的：peremptoriness 专横 |peremptory 断然的 | perennial 四季不断的

3. 绝对的;强制的;断然的：perdurability 延续时间 |peremptory 绝对的;强制的;断然的 | perennial algae 多年生藻类

4. 俨然的：peremptorinesspresumption 专横 |peremptory 俨然的 | perennialperennation 多年生