'Surtax' definitions:

Definition of 'surtax'

(from WordNet)
noun
An additional tax on certain kinds of income that has already been taxed [syn: surtax, supertax]
verb
Levy an extra tax on; "surtax luxury items that cost more than $1,000"

Definition of 'Surtax'

From: GCIDE
  • Surtax \Sur*tax"\, v. t. To impose an additional tax on. [1913 Webster]

Definition of 'Surtax'

From: GCIDE
  • Surtax \Sur"tax\, n. An additional or extra tax. [1913 Webster]

Synonyms of 'surtax'

From: Moby Thesaurus