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IRS

British  

abbreviation

  1. Internal Revenue Service

  2. 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

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“It’s possible, even when documents are uploaded digitally, that a preparer could have multiple windows or files open and make a transposition error,” said Thomas Gorczynski, a tax professional and enrolled agent with the IRS.

From MarketWatch • Apr. 1, 2026

Don’t forget that large tax refunds mean the IRS has been allowed to hold your money interest-free.

From MarketWatch • Mar. 31, 2026

The average individual tax refund was up 11% on a year-over-year basis, to $3,571, they said, citing IRS data for the eight weeks through March 20.

From MarketWatch • Mar. 30, 2026

Taxpayers face potential penalties and refund delays this season due to inadequate protections and a 27% IRS staffing reduction.

From Barron's • Mar. 28, 2026

Milton wore them whenever he met with bank loan officers or auditors from the IRS.

From "Middlesex: A Novel" by Jeffrey Eugenides