Synonyms and Antonyms of perpetual
- the perpetual rise and fall of the sea
intermittent, periodic, periodical, recurrent, recurring
alternate, alternating, cyclic (or cyclical), rhythmic (or rhythmical), seasonal, serial
erratic, fitful, irregular, occasional, spasmodic, sporadic, spotty, unsteady
- freedom of religion is a perpetual right that is guaranteed by the nation's constitution
- an immature jerk who seemed to be in a state of perpetual adolescence
durable, enduring, lasting, long-lived, persistent, stubborn
imperishable, indefeasible, indefectible, indelible, indestructible, indissoluble, inexpungible
abiding, stable, standing, steadfast, steady, unfailing, unfaltering
continual, continuing, continuous, incessant, unbroken, unceasing, uninterrupted, unremitting