impassioned vs ardent

impassioned and ardent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
impassioned	No	Yes	No	No
ardent	No	Yes	No	No

As adjectives, impassioned and ardent are synonyms defined as:

Other synonyms of impassioned include fervent, fervid, fiery, perfervid, torrid.

impassioned (adjective)	ardent (adjective)
characterized by intense emotion	glowing or shining like fire
	characterized by strong enthusiasm
	characterized by intense emotion