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Supposedly vs. Supposably


[soo-per-taks] /ˈsu pərˌtæks/
Chiefly British. a tax in addition to a normal tax, as one upon income above a certain amount.
a surtax.
Origin of supertax
1905-10; super- + tax Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for supertax
Historical Examples
  • Income-tax and supertax doubled and charged on one-third of the current year's income.

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

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

    Distributive Justice John A. (John Augustine) Ryan
  • 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
  • What we call the normal income tax is the ordinary tax; what we call the surtax is the supertax.

    The American Language Henry L. Mencken
British Dictionary definitions for supertax


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
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