disused (adj.)

• abandoned
• antiquated
• antique
• archaic
• dated
• dead
• derelict
• deserted
• discarded
• discontinued
• extinct
• forsaken
• left
• marooned
• neglected
• obsolescent
• obsolete
• old
• old-fashioned
• out
• out-of-date
• outdated
• outmoded
• passe
• past
• relinquished
• retired
• superannuated
• unused
• worn-out