Dictionary
surtax
noun sur·tax \ˈsər-ˌtaks\
: a tax that is charged on income which is more than a certain amount and that is charged in addition to the normal income tax
Full Definition of SURTAX
1
: an extra tax or charge
2
: a graduated income tax in addition to the normal income tax imposed on the amount by which one's net income exceeds a specified sum
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First Known Use of SURTAX
1881
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