moon on vs idle

moon on is not a noun while idle is a noun.

Word	Noun	Adjective	Verb	Adverb
moon on	No	No	Yes	No
idle	Yes	Yes	Yes	No

As verbs, idle is a hypernym of moon on; that is, idle is a word with a broader meaning than moon on:

Other hypernyms of moon on include laze, slug, stagnate.

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

moon on (adjective)	idle (adjective)
	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

moon on (verb)	idle (verb)
be idle in a listless or dreamy way	run disconnected or idle
	be idle; exist in a changeless situation