un•der•with•holdPronunciation: (un"dur-with-hōld', -wi&thslash;-), [key]
—v., -held, -hold•ing.
to withhold too little.
to deduct (withholding tax) less than the necessary amount.
to withhold oneself too little.
to deduct less withholding tax than necessary.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.