KEY: Peremptory.
SYN: Decisive, express, absolute, authoritative, arbitrary, dogmatical, imperious, despotic, positive.
ANT: Suggestive, entreative, mild, postulatory, hortatory.
=
KEY: Perennial.
SYN: Perpetual, unceasing, unfailing, ceaseless, incessant, constant, permanent, unintermittent, continual, undying.
ANT: Periodical, occasional, intermittent, failing, deficient, uncertain.
=
KEY: Perfect.
SYN: Consummate, complete, full, indeficient, immaculate, absolute, faultless, impeccable, infallible, unblemished, blameless, unexceptionable, mature, ripe.