fervid vs impassioned

fervid and impassioned both are adjectives.

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

As adjectives, fervid and impassioned are synonyms defined as:

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

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