°(of words, equipment, etc.) no longer in use; gone into
disuse; disused or
neglected (often by preference for something newer, which replaces the subject).
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, disused, neglected, old, old-fashioned, out of date, abortive, obscure, rudimental