ceaseless

adjective

Constant and unending.

SYNONYMS

constantcontinualcontinuousdoggedendlesseternalincessantindefatigableinterminablelastingnever-endingnon-stopperpetualperseveringpersistentrelentlesssustainedtirelessunabatedunabatingunceasingundeviatingunendingunfalteringunflagginguninterruptedunrelentingunrelievedunremittingunswervinguntiringunwaveringunwearied