laborious vs operose

laborious and operose both are adjectives.

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

As adjectives, laborious and operose are synonyms defined as:

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

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

laborious (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