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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.

Bisignano is commissioner of the Social Security Administration; his role as CEO of the IRS hasn’t been confirmed by Congress.

From Barron's • Apr. 15, 2026

The credit union’s averages are very close to IRS refund averages.

From MarketWatch • Apr. 15, 2026

According to IRS data, the average tax refund jumped about 11% between 2024 and 2025, rising from an average of $3,116 to about $3,462.

From Salon • Apr. 15, 2026

Here are two key questions to ask when deciding whether an IRS extension makes sense for you.

From The Wall Street Journal • Apr. 15, 2026

“The IRS would have taken his tax return for child support if he’d filed and, if he had a job, the state would have garnished his wages.”

From "We Are the Ants" by Shaun David Hutchinson

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