grueling vs operose

grueling and operose both are adjectives.

Word	Noun	Adjective	Verb	Adverb
grueling	No	Yes	No	No
operose	No	Yes	No	No

As adjectives, grueling and operose are synonyms defined as:

grueling and operose: characterized by effort to the point of exhaustion; especially physical effort

Other synonyms of grueling include arduous, backbreaking, gruelling, hard, heavy, laborious, punishing, toilsome.

grueling (adjective)	operose (adjective)
characterized by effort to the point of exhaustion; especially physical effort	characterized by effort to the point of exhaustion; especially physical effort