overwithhold

[oh-ver-with-hohld, -with-]
verb (used with object), o·ver·with·held, o·ver·with·hold·ing.
  1. to withhold too much.
  2. to deduct (an amount in withholding tax) in excess of the tax to be paid.
verb (used without object), o·ver·with·held, o·ver·with·hold·ing.
  1. to withhold oneself excessively.
  2. to deduct too much withholding tax.

Origin of overwithhold

First recorded in 1970–75; over- + withhold
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018