new vs unused

new and unused both are adjectives.

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

new (adjective)	unused (adjective)
not of long duration; having just (or relatively recently) come into being or been made or acquired or discovered	not yet used or soiled
unaffected by use or exposure	not in active use
(of crops) harvested at an early stage of development; before complete maturity	not yet put into use
lacking training or experience
original and of a kind not seen before
other than the former one(s); different
(often followed by `to') unfamiliar
having no previous example or precedent or parallel

new (adverb)	unused (adverb)
very recently