Meaning of overwithhold

o•ver•with•hold

Pronunciation: (ō"vur-with-hōld', -wi-), [key]
— v., -held, -hold•ing.
—v.t.
  1. to withhold too much.
  2. to deduct (an amount in withholding tax) in excess of the tax to be paid.
—v.i.
  1. to withhold oneself excessively.
  2. to deduct too much withholding tax.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.