impassioned vs fervid

impassioned and fervid both are adjectives.

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

As adjectives, impassioned and fervid are synonyms defined as:

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

impassioned (adjective)	fervid (adjective)
characterized by intense emotion	(archaic) extremely hot, burning, or glowing
	characterized by intense emotion