impairment

noun

im·​pair·​ment im-ˈper-mənt How to pronounce impairment (audio)
plural impairments
: the act of impairing something or the state or condition of being impaired : diminishment or loss of function or ability
… it does not help reverse the impairment of cognitive activity caused by diazepam …Corby Kummer
Trichloroethylene has been classified by EPA as a probable human carcinogen, although its primary effect is impairment of the central nervous system.Chemical & Engineering News
Persons with hearing impairments can now get information about local parks and their facilities by calling the recently installed TDD phone numbers within the Parks Department.Maryland Magazine
Studies show that roughly 11 percent of all kindergarteners have speech or language impairmentsThe Springfield (Massachusetts) Union-News

Examples of impairment in a Sentence

Recent Examples on the Web
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Melony had a rare form of epilepsy and cognitive impairments that left her functioning at the level of a 3-year-old, according to the Maricopa County Attorney's Office. David Ulloa Jr, AZCentral.com, 4 Oct. 2025 Granados, who had epilepsy and severe cognitive impairments, was one of five children belonging to Lujan’s daughter, Jami Hodges. Sophia Compton, FOXNews.com, 3 Oct. 2025 The bus driver, who has not been identified, did not show signs of impairment. Craig Shoup, Nashville Tennessean, 2 Oct. 2025 The study was the largest clinical trial of exercise ever for adults with mild cognitive impairment. Arianna Huffington, Time, 1 Oct. 2025 See All Example Sentences for impairment

Word History

First Known Use

14th century, in the meaning defined above

Time Traveler
The first known use of impairment was in the 14th century

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Cite this Entry

“Impairment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impairment. Accessed 8 Oct. 2025.

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