Source : Webster's Revised Unabridged Dictionary (1913)

Anachronistic \An*ach`ro*nis"tic\, a.
   Erroneous in date; containing an anachronism. --T. Warton.

Source : WordNet®

anachronistic
     adj : chronologically misplaced; "English public schools are
           anachronistic" [syn: {anachronic}, {anachronous}]