adjective
constant, incessant
Synonyms: aeonian, around-the-clock, ceaseless, connected, consecutive, continuous, dateless, endless, enduring, eternal, everlasting, frequent, interminable, oft-repeated, permanent, perpetual, persistent, persisting, recurrent, regular, relentless, repeated, repetitive, running, staying, steady, timeless, unbroken, unceasing, unchanging, unending, unfailing, unflagging, uninterrupted, unremitting, unvarying, unwaning
Antonyms: broken, ceasing, checked, halting, inconstant, infrequent, intermittent, interrupted, occasional, temporary