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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Trump scored 30 out of 30 on the Montreal Cognitive Assessment, a test used to detect signs of dementia and cognitive impairment. Cybele Mayes-Osterman, USA Today, 13 Apr. 2025 Research must zero in on the causes of some of the most troubling impairments that can come with autism, such as self-injury, aggressive behavior and even catatonia, as noted by the Autism Science Foundation. Mark Kendall, Mercury News, 12 Apr. 2025 No single test can determine if someone’s drinking has led to brain impairment. Brittany Risher, SELF, 11 Apr. 2025 Some suggest this could negatively affect the immune system or be related to cognitive impairment in older adults. Jennifer Lefton, Ms, Rd/n, Cnsc, Fand, Verywell Health, 7 Apr. 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 25 Apr. 2025.

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