Having no foreseeable end

the never-ending search for happiness.

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"[syn: ceaseless ]

adjective

ceasing , ending , halting , intermittent , interrupted

adjective

amaranthine , boundless , ceaseless , constant , continuous , endless , eternal , everlasting , immortal , incessant , interminable , nonstop , perpetual , persistent , relentless , timeless , unbroken , unchanging , uninterrupted , unremitting , unending , world without end , continual , infinite , lasting , unceasing