Source : Webster's Revised Unabridged Dictionary (1913)

Antiquated \An"ti*qua`ted\, a.
   Grown old. Hence: Bygone; obsolete; out of use;
   old-fashioned; as, an antiquated law. ``Antiquated words.''
   --Dryden.

         Old Janet, for so he understood his antiquated
         attendant was denominated.               --Sir W.
                                                  Scott.

   Syn: Ancient; old; antique; obsolete. See {Ancient}.

Source : WordNet®

antiquated
     adj : so extremely old as seeming to belong to an earlier period;
           "a ramshackle antediluvian tenement"; "antediluvian
           ideas"; "archaic laws" [syn: {antediluvian}, {archaic}]