obsolete
adjective
°(of words, equipment, etc.) no longer in use; gone into disuse; disused or neglected (often by preference for something newer, which replaces the subject).
°Imperfectly developed; not very distinct.
verb
°To perform some action that causes, or attempts to cause, something to become obsolete.
synonyms: ancient, antiquated, antique, archaic more» , disused, neglected, old, old-fashioned, out of date, abortive, obscure, rudimental