impaired

adjective

im·​paired im-ˈperd How to pronounce impaired (audio)
Synonyms of impairednext
: being in an imperfect or weakened state or condition: such as
a
: diminished in function or ability : lacking full functional or structural integrity
Brennan supports the use of corticosteroids in the treatment of inflammation, swelling, pain and impaired joint movement.Stan Bergstein
Finding jobs can be difficult for visually impaired adults. About 70 percent of them are unemployed, the National Federation of the Blind says.Eric Aasen
… some GERD patients have impaired gut motility, meaning that their stomachs empty too slowly.Andrew Weil
b
: unable to function normally or safely (as when operating a motor vehicle) because of intoxication by alcohol or drugs
Drive Sober or Get Pulled Over is the safety advertisement that restaurants and bars will use to remind patrons of the dangers of driving impaired.Mati Spencer

Examples of impaired in a Sentence

driving while impaired is against the law special devices for sight-impaired visitors
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.
Burney was not impaired, officials said. Mark Price, Charlotte Observer, 29 Mar. 2026 Responding law enforcement officers suspected Woods was impaired. Alicia Victoria Lozano, NBC news, 27 Mar. 2026 Timberlake was arrested June 18, 2024, on Long Island and pleaded guilty to driving while impaired. Brian Niemietz, New York Daily News, 23 Mar. 2026 In the crashes reviewed, the system did not detect common roadway conditions that impaired camera visibility or provide alerts when camera performance had deteriorated until immediately before the crash occurred. Andrea Guzmán, Austin American Statesman, 19 Mar. 2026 See All Example Sentences for impaired

Word History

First Known Use

1582, in the meaning defined above

Time Traveler
The first known use of impaired was in 1582

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Cite this Entry

“Impaired.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impaired. Accessed 3 Apr. 2026.

Kids Definition

impaired

adjective
im·​paired -ˈpa(ə)rd How to pronounce impaired (audio)
-ˈpe(ə)rd
: being in an imperfect or weakened state or condition: such as
a
: diminished in function or ability : lacking full functional or structural integrity
impaired heart action
b
: intoxicated by alcohol or drugs
driving while impaired

Medical Definition

impaired

adjective
: being in an imperfect or weakened state or condition: as
a
: diminished in function or ability : lacking full functional or structural integrity
Brennan supports the use of corticosteroids in the treatment of inflammation, swelling, pain and impaired movement.Stan Bergstein
Finding jobs can be difficult for visually impaired adults.Eric Aasen
b
: unable to function normally or safely (as when operating a motor vehicle) because of intoxication by alcohol or drugs
driving while impaired

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