Source : Webster's Revised Unabridged Dictionary (1913)

Oversize \O`ver*size"\, v. t.
   To surpass in size.

Oversize \O`ver*size"\, v. t.
   To cover with viscid matter. [R.]

         O'ersized with coagulate gore.           --Shak.

Source : WordNet®

oversize
     adj : larger than normal for its kind [syn: {outsize}, {outsized},
            {oversized}]