Surtax(redirected from supertaxes)
Also found in: Dictionary, Thesaurus, Financial, Encyclopedia.
An additional charge on an item that is already taxed.
A surtax is a tax on a tax. For example, if a person pays one hundred dollars of tax on one thousand dollars of income, a 5 percent surtax would amount to an additional five dollars.
West's Encyclopedia of American Law, edition 2. Copyright 2008 The Gale Group, Inc. All rights reserved.