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Definition of supertax

supertax

/ˈsuːpəˌtæks/
su · per · tax
Plural:supertaxes
•
Past Simple:supertaxed
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Past Participle:supertaxed
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Present Participle:supertaxing
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supertax Lexical Profile

supertax Game Scores & Validity

• noun

1

An additional tax levied on top of a normal tax rate, especially one imposed on very high incomes or excessive corporate profits.

Example

"The government proposed a temporary supertax on windfall profits in the energy sector to help fund public infrastructure."

Synonyms
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Antonyms
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• verb

1

To impose an additional or higher rate of tax on (an income, profit, or taxpayer).

Example

"Lawmakers debated whether to supertax luxury goods in order to reduce the national deficit."

Synonyms
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Antonyms
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• Nearby Words

superstructure
supersweet
supertanker
supertax
superthick
superthin
superthriller

Word Origin & Etymology

Coined in the early 20th century from the prefix 'super-' (meaning 'above' or 'additional') and 'tax', originally referring to the additional income tax introduced in the United Kingdom by the Finance Act of 1909–1910.

Cite this Entry

Wordmom. (2026). Definition of Supertax. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/supertax
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