adjective
continuing without intermission and seemingly without end
they were tired of her continual nagging
Synonyms: around-the-clock, ceaseless, constant, continuous, endless, everlasting, incessant, interminable, minutely, perpetual, timeless, unceasing, unending, unintermitted, unintermittent, uninterrupted, unremitting
Related Word: abiding, enduring, persistent, persisting, staying; unvarying; unchanging, unfailing, unflagging, unwaning; relentless, running, steady
Contrasted words: ephemeral, evanescent, impermanent, short-lived, temporary, transient, transitory