Perfunctory vs. Peremptory — What's the Difference?

(of an action) carried out without real interest, feeling, or effort

Insisting on immediate attention or obedience, especially in a brusquely imperious way

Done routinely and with little interest or care

Subject to no further debate or dispute; final and unassailable

Acting with indifference; showing little interest or care.

Not allowing contradiction or refusal; imperative

Done only or merely to conform to a minimal standard or to fulfill a protocol or presumptive duty.

Offensively self-assured; imperious or dictatorial

Performed in a careless or indifferent manner as a thing of rote.

(legal) Precluding debate or expostulation; not admitting of question or appeal

Done merely to get rid of a duty; performed mechanically and as a thing of rote; done in a careless and superficial manner; characterized by indifference; as, perfunctory admonitions.

Positive in opinion or judgment; absolutely certain, overconfident, unwilling to hear any debate or argument (especially in a pejorative sense); dogmatic.

Hence: Mechanical; indifferent; listless; careless.

(obsolete) Firmly determined, resolute; obstinate, stubborn.

Hasty and without attention to detail; not thorough;

Accepting no refusal or disagreement; imperious, dictatorial.

As a formality only;

(law) A challenge to the admission of a juror, without the challenger needing to show good cause.

Precluding debate or expostulation; not admitting of question or appeal; positive; absolute; decisive; conclusive; final.

Positive in opinion or judgment; decided; dictatorial; dogmatical.

Firmly determined; unawed.

Offensively self-assured or given to exercising usually unwarranted power;

Not allowing contradiction or refusal;

Putting an end to all debate or action;