unemployed vs idle

unemployed and idle both are nouns.

Word	Noun	Adjective	Verb	Adverb
unemployed	Yes	Yes	No	No
idle	Yes	Yes	Yes	No

unemployed (noun)	idle (noun)
people who are involuntarily out of work (considered as a group)	the state of an engine or other mechanism that is idling

unemployed (adjective)	idle (adjective)
not engaged in a gainful occupation	not in action or at work
	silly or trivial
	not in active use
	lacking a sense of restraint or responsibility
	not having a job
	not yielding a return
	without a basis in reason or fact

unemployed (verb)	idle (verb)
	run disconnected or idle
	be idle; exist in a changeless situation