The condition of being ceaseless; endlessness, eternity(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "ceaselessness" in a sentence
"The only real cruelty surrounded me, in the ceaselessness of everything: the tides, the wind, the moon crossing the sky toward another dawn."
"The penetrating quality of the wind depends on its ceaselessness."
"For Rosenstock-Huessy, this search for a stable space is reflected in recurrent philosophical elements which privilege the implacability of space (or a particular space) over the ceaselessness of time."