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; mans unceasing warfare with drought and isolation; unremitting demands of hunger

[ Syn: constant , incessant , never-ending , perpetual , unceasing , unremitting ]