Adjective
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putting an end to all debate or action
"a peremptory decree"
-
not allowing contradiction or refusal
"spoke in peremptory tones"
"peremptory commands"
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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"
- high and mighty