Internal Revenue Service

American  

noun

1. the division of the U.S. Department of the Treasury that collects internal revenue, including income taxes and excise taxes, and that enforces revenue laws. IRS

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Internal Revenue Service ¹ Cultural  

1. A federal agency, part of the Department of the Treasury, that collects most federal taxes, including income and Social Security taxes.

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Internal Revenue Service ² Cultural  

1. Part of the United States Department of the Treasury. The IRS is responsible for the collection of all federal taxes, except customs duties.

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Example Sentences

See Examples For:

Internal Revenue Service

Frank Bisignano, the head of the Internal Revenue Service and Social Security Administration, sits atop two government organizations that store vast reams of sensitive financial data about every taxpayer.

From The Wall Street Journal ● Jul. 21, 2026

Newsom announced the investigation after he learned that the FBI and Internal Revenue Service asked his associates questions about nonprofits and businesses related to the couple.

From Los Angeles Times ● Jun. 19, 2026

They are entirely determined by your “provisional income,” a calculation used by the Internal Revenue Service before deductions are applied.

From MarketWatch ● Jun. 15, 2026

The 10% early withdrawal penalty is called a tax by the Internal Revenue Service and the rule of 55 has been around for decades.

From The Wall Street Journal ● Jun. 14, 2026

Internal Revenue Service was making its displeasure known to UBS.

From "Endgame" by Frank Brady