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

That fund was created in an agreement between Trump and his administration that ended the president’s lawsuit against the Internal Revenue Service.

From The Wall Street Journal ● Jul. 29, 2026

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

On Wednesday, the Internal Revenue Service said it was overhauling its penalty process.

From MarketWatch ● Jul. 8, 2026

Mencia previously faced legal woes over taxes in 2021 when the Internal Revenue Service alleged he and his wife owed more than $1.2 million in federal taxes from 2013 to 2015.

From Los Angeles Times ● Jun. 18, 2026

Some of them had green Registered Mail stickers on them and were from the Internal Revenue Service.

From "Liar, Liar" by Gary Paulsen