Meaning : Offensively self-assured or given to exercising usually unwarranted power.
Example :
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.
Synonyms : autocratic, bossy, dominating, high-and-mighty, magisterial
Meaning : Not allowing contradiction or refusal.
Example :
Spoke in peremptory tones.
Peremptory commands.
Meaning : Putting an end to all debate or action.
Example :
A peremptory decree.