Synonyms of impaired
: 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.
Andrew Bastawrous grew up visually impaired and unaware of it. Ashoka, Forbes.com, 30 June 2026 Beyond impaired sleep and a bad morning after, Zhou underscores that alcohol functions as a muscle relaxant. Sharon Brandwein, USA Today, 19 June 2026 Peptide skin-care products have the unique ability to target a host of skin concerns, from sagging to an impaired skin barrier, in part because there are so many different types of peptides. Deanna Pai, Vogue, 24 June 2026 The season coincides with more vacation travel, increased teen driving as school lets out, and holiday celebrations that can easily lead to impaired driving if motorists fail to plan ahead. Aaa - Mountain Group, Sacbee.com, 30 June 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

Browse Nearby Words

Cite this Entry

“Impaired.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/impaired. Accessed 7 Jul. 2026.

Kids Definition

impaired

adjective
: 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

More from Merriam-Webster on impaired

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