unremitting vs ceaseless

unremitting and ceaseless both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unremitting	No	Yes	No	No
ceaseless	No	Yes	No	No

As adjectives, unremitting and ceaseless are synonyms defined as:

unremitting and ceaseless: uninterrupted in time and indefinitely long continuing

Other synonyms of unremitting include constant, incessant, never-ending, perpetual, unceasing.

unremitting (adjective)	ceaseless (adjective)
uninterrupted in time and indefinitely long continuing	uninterrupted in time and indefinitely long continuing