obsolete

adj. ancient, archaic; no longer in use, outdated; disappearing; useless

Obsolescence is the state of being which occurs when a person, object, or service is no longer wanted even though it may still be in good working order.
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Adjective
1. old; no longer in use or valid or fashionable; "obsolete words"; "an obsolete locomotive"; "outdated equipment"; "superannuated laws"; "out-of-date ideas"
(synonym) outdated, out-of-date, superannuated
(similar) noncurrent
2. no longer in use; "obsolete words"
(synonym) disused
(similar) noncurrent

adj. obsolete, no longer in use, outdated

adj. obsolete, ancient, archaic; no longer in use, outdated; disappearing; useless