impairment

noun

im·​pair·​ment im-ˈper-mənt How to pronounce impairment (audio)
plural impairments
Synonyms of impairment
: 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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
During the investigation, troopers allegedly noticed that Lebel, 32, was showing signs of impairment, per the Alaska State Troopers' news release. Desiree Anello, PEOPLE, 20 June 2026 Research published in Youth Studies Quarterly in 2025 found that when parents steer a child's path, rather than building that path with them, the result for the child is burnout, anxiety, and a lasting impairment of the ability to make independent decisions later in life. Glenn Llopis, Forbes.com, 19 June 2026 New research links glucosamine use to faster cognitive decline in people with Alzheimer's disease and those with mild cognitive impairment. Cathy Nelson, Health, 18 June 2026 Again, cardiovascular disease was the top culprit, but ALAN also triggers inflammation and is associated with higher rates of cancer, Parkinson’s, and cognitive impairment, including Alzheimer’s. Literary Hub, 17 June 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 24 Jun. 2026.

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