unused vs inactive

unused and inactive both are adjectives.

Word	Noun	Adjective	Verb	Adverb
unused	No	Yes	No	No
inactive	No	Yes	No	No

unused (adjective)	inactive (adjective)
not yet used or soiled	(military) not involved in military operations
not in active use	not active physically or mentally
not yet put into use	(pathology) not progressing or increasing; or progressing slowly
	lacking activity; lying idle or unused
	lacking in energy or will
	(of e.g. volcanoes) not erupting and not extinct
	not exerting influence or change
	not engaged in full-time work
	not in physical motion
	(chemistry) not participating in a chemical reaction; chemically inert