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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 decision is expected to embolden the IRS to assert economic substance arguments more aggressively, according to attorney Robert Kovacev.

From The Wall Street Journal • Apr. 22, 2026

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

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

From Barron's • Apr. 17, 2026

That is equal to 3.4 million full-time workers doing nothing but filing out IRS forms for a year.

From Barron's • Apr. 17, 2026

But today, among the overdue bills and something from the IRS, two envelopes stand out.

From "Free Lunch" by Rex Ogle

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