amiss vs nonfunctional

amiss and nonfunctional both are adjectives.

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

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

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