perpetual vs unceasing

perpetual and unceasing both are adjectives.

Word	Noun	Adjective	Verb	Adverb
perpetual	No	Yes	No	No
unceasing	No	Yes	No	No

As adjectives, perpetual and unceasing are synonyms defined as:

perpetual and unceasing: uninterrupted in time and indefinitely long continuing

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

As adjectives, perpetual and unceasing are synonyms defined as:

Other synonyms of perpetual include aeonian, ageless, eonian, eternal, everlasting, unending.

perpetual (adjective)	unceasing (adjective)
uninterrupted in time and indefinitely long continuing	uninterrupted in time and indefinitely long continuing
continuing forever or indefinitely	continuing forever or indefinitely