run-down vs malfunctioning

run-down and malfunctioning both are adjectives.

Word	Noun	Adjective	Verb	Adverb
run-down	No	Yes	No	No
malfunctioning	No	Yes	No	No

run-down (adjective)	malfunctioning (adjective)
having the spring unwound	not performing or able to perform its regular function
worn and broken down by hard use