impairment

noun

im·​pair·​ment im-ˈper-mənt How to pronounce impairment (audio)
plural impairments
Synonyms of impairmentnext
: 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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Police said impairment of any kind was not believed to be a factor in the crash. Adam Harrington, CBS News, 24 Feb. 2026 The exact cause of the initial collision is still under investigation but no impairment of either driver is suspected at this time, police said. Harry Harris, Mercury News, 24 Feb. 2026 Brandt also notes that subjective cognitive impairment — the participants’ personal sense of changes in their memory, attention, visual and spatial cognition, and executive function — was the focus of the study. Tom Gavin, EverydayHealth.com, 23 Feb. 2026 Mercury contamination is especially dangerous for children and can cause neurological impairments in infants. Jackie Flynn Mogensen, Scientific American, 20 Feb. 2026 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 28 Feb. 2026.

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