Source : Webster's Revised Unabridged Dictionary (1913)

Overdress \O`ver*dress"\, v. t.
   To dress or adorn to excess; to dress too much. --Pope.

Source : WordNet®

overdress
     v 1: dress excessively; "You should not overclothe the child--she
          will be too hot" [syn: {overclothe}]
     2: put on special clothes to appear particularly appealing and
        attractive; "She never dresses up, even when she goes to
        the opera"; "The young girls were all fancied up for the
        party" [syn: {dress up}, {fig out}, {fig up}, {deck up}, {gussy
        up}, {fancy up}, {trick up}, {deck out}, {trick out}, {prink},
         {attire}, {get up}, {rig out}, {tog up}, {tog out}] [ant:
         {dress down}]