decisive vs peremptory

decisive and peremptory both are adjectives.

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

decisive (adjective)	peremptory (adjective)
determining or having the power to determine an outcome	putting an end to all debate or action
characterized by decision and firmness	offensively self-assured or given to exercising usually unwarranted power
forming or having the nature of a turning point or crisis	not allowing contradiction or refusal
unmistakable