Dictionary.com
definitions

supertax

[soo-per-taks]
noun
  1. Chiefly British. a tax in addition to a normal tax, as one upon income above a certain amount.
  2. a surtax.

Origin of supertax

First recorded in 1905–10; super- + tax
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for supertax

Historical Examples of supertax

  • The rate of this supertax should increase with the size of the estate above the fixed maximum.

    Distributive Justice

    John A. (John Augustine) Ryan

  • For situations of this kind a supertax on large estates would seem to hold the promise of a large measure of relief.

    Distributive Justice

    John A. (John Augustine) Ryan

  • A supertax on large holdings of exceptionally valuable and scarce land would likewise be beneficial and legitimate.

    Distributive Justice

    John A. (John Augustine) Ryan

  • The business of our fashionable amateurs is to pay Income Tax and Supertax.

  • Thank Heaven, she says, hes got somebody thatll be able to keep him when the supertax is put up to twenty shillings in the pound.

    Press Cuttings

    George Bernard Shaw

British Dictionary definitions for supertax

supertax

noun
  1. a tax levied in addition to the basic tax, esp a graduated surtax on incomes above a certain level
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012