nonfunctional vs amiss

nonfunctional and amiss both are adjectives.

Word	Noun	Adjective	Verb	Adverb
nonfunctional	No	Yes	No	No
amiss	No	Yes	No	Yes

nonfunctional (adjective)	amiss (adjective)
not having or performing a function	not functioning properly
not performing or able to perform its regular function

nonfunctional (adverb)	amiss (adverb)
	away from the correct or expected course
	in an improper or mistaken or unfortunate manner
	in an imperfect or faulty way