Adjective
1. continuing forever or indefinitely;
"the ageless themes of love and revenge""eternal truths""life everlasting""hell's perpetual fires""the unending bliss of heaven"2. uninterrupted in time and indefinitely long continuing;
"the ceaseless thunder of surf""in constant pain""night and day we live with the incessant noise of the city""the never-ending search for happiness""the perpetual struggle to maintain standards in a democracy""man's unceasing warfare with drought and isolation""unremitting demands of hunger"