OBSOLETE

I. adjective Etymology: Latin obsoletus, from past participle of obsolescere to grow old, become disused, perhaps from ob- toward + solēre to be accustomed Date: 1579 1. no longer in use or no longer useful , of a kind or style no longer current ; old-fashioned , indistinct or imperfect as compared with a corresponding part in related organisms ; vestigial, see: old ~ly adverb ~ness noun II. transitive verb (-leted; -leting) Date: 1640 to make ~