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IRS

British

abbreviation

Internal Revenue Service
insulin resistance syndrome: a condition associated with diabetes mellitus in which higher than normal levels of insulin are present in the blood to compensate for the failure of normal insulin levels to perform their function

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The basic idea is that companies can’t engage in tax-reducing maneuvers that lack a substantial business purpose, and the IRS has been using the doctrine to attack transactions during audits.

From The Wall Street Journal • Apr. 22, 2026

“The IRS will definitely be emboldened to be more aggressive in asserting economic substance arguments,” said Robert Kovacev, an attorney at Miller & Chevalier.

From The Wall Street Journal • Apr. 22, 2026

The IRS reported that the average amount refunded per filing was up 11.2% as of April 10, compared with the same point in last year’s filing season.

From Barron's • Apr. 21, 2026

Americans spent almost 7.1 billion hours complying with IRS tax filing and reporting requirements in 2025.

From Barron's • Apr. 17, 2026

If it was a scammer posing as an employee of the IRS, I was going to be pissed.

From "Here to Stay" by Sara Farizan

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023