provocative vs challenging

provocative and challenging both are adjectives.

Word	Noun	Adjective	Verb	Adverb
provocative	No	Yes	No	No
challenging	No	Yes	No	No

provocative (adjective)	challenging (adjective)
serving or tending to provoke, excite, or stimulate; stimulating discussion or exciting controversy	requiring full use of your abilities or resources
intentionally arousing sexual desire	disturbingly provocative
	stimulating interest or thought