inactive vs unused

inactive and unused both are adjectives.

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

inactive (adjective)	unused (adjective)
(military) not involved in military operations	not yet used or soiled
not active physically or mentally	not in active use
(pathology) not progressing or increasing; or progressing slowly	not yet put into use
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