peremptory vs magisterial

peremptory and magisterial both are adjectives.

Word	Noun	Adjective	Verb	Adverb
peremptory	No	Yes	No	No
magisterial	No	Yes	No	No

As adjectives, peremptory and magisterial are synonyms defined as:

peremptory and magisterial: offensively self-assured or given to exercising usually unwarranted power

Other synonyms of peremptory include autocratic, bossy, dominating, high-and-mighty.

peremptory (adjective)	magisterial (adjective)
putting an end to all debate or action	of or relating to a magistrate
offensively self-assured or given to exercising usually unwarranted power	used of a person's appearance or behavior; befitting an eminent person
not allowing contradiction or refusal	offensively self-assured or given to exercising usually unwarranted power