unsupported vs idle

unsupported is not a noun while idle is a noun.

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

unsupported (noun)	idle (noun)
	the state of an engine or other mechanism that is idling

unsupported (adjective)	idle (adjective)
not held up or borne	not in action or at work
not sustained or maintained by nonmaterial aid	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

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