Definitions for: Surtax

[n] an additional tax on certain kinds of income that has already been taxed
[v] levy an extra tax on, such as a luxury tax on items that cost more than a certain amount

Webster (1913) Definition: Sur"tax, n.
An additional or extra tax.

Sur*tax", v. t.
To impose an additional tax on.

Synonyms: supertax

See Also: income tax, tax