say it: uhn-SEE-sing
unceasing is an adjective meaning "continuing forever or indefinitely". It carries 2 recorded senses.
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”
Definitions, synonyms and semantic relations for unceasing come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.