as in to injure
to reduce the soundness, effectiveness, or perfection of
already impaired by a crack, the windshield shattered upon impact with the baseball
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Recent Examples of impair
Even modest circadian misalignment, characterized by sleeping and waking at hours that are out of sync with your body's clock, has been shown in Scientific Reports to impair sustained attention and reduce the ability to learn and assimilate new information.
—
Julian Hayes Ii, Forbes.com, 18 Sep. 2025
Any amount can impair judgment, cause dizziness and increase the risk of falls and injuries — all of which can become big issues during pregnancy, the above source states.
—Melissa Rudy, FOXNews.com, 15 Sep. 2025
Lingering viral reservoirs or fragments that keep the immune system on high alert, immune dysregulation and autoantibodies, microclots and endothelial damage that impair oxygen delivery, microbiome shifts, and mitochondrial dysfunction affecting energy.
—Kaif Shaikh, Interesting Engineering, 11 Sep. 2025
In this study, feeding mice a HFD for four days impaired that glucose availability in the brain, causing CCK interneurons to ramp up their firing.
—New Atlas, 11 Sep. 2025
See All Example Sentences for impair
Julian Hayes Ii, Forbes.com, 18 Sep. 2025
Any amount can impair judgment, cause dizziness and increase the risk of falls and injuries — all of which can become big issues during pregnancy, the above source states.
—Melissa Rudy, FOXNews.com, 15 Sep. 2025
Lingering viral reservoirs or fragments that keep the immune system on high alert, immune dysregulation and autoantibodies, microclots and endothelial damage that impair oxygen delivery, microbiome shifts, and mitochondrial dysfunction affecting energy.
—Kaif Shaikh, Interesting Engineering, 11 Sep. 2025
In this study, feeding mice a HFD for four days impaired that glucose availability in the brain, causing CCK interneurons to ramp up their firing.
—New Atlas, 11 Sep. 2025
See All Example Sentences for impair
Recent Examples of Synonyms for impair
Verb
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Most recently, he was badly injured after a high–speed car crash in New Hampshire in August.—
Washington Examiner Staff,
The Washington Examiner,
18 Sep. 2025
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Two Fort Worth firefighters were injured while battling a two-alarm fire at the house.—
Shambhavi Rimal,
Fort Worth Star-Telegram,
18 Sep. 2025
Verb
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Using abrasive cleaner or products with harsh chemicals can damage the beautiful material and lead to a less-than-pretty tub.—
Ashlyn Needham,
Southern Living,
14 Sep. 2025
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But posting on social media leaves a record, and in times of escalating political polarization, those declarations can be seen as damaging to the reputation of an individual or their employer.—
Nino Paoli,
Fortune,
14 Sep. 2025
Verb
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The disruptions come amid a WNBA season in which multiple games were marred by the objects making appearances on the court.—
Anna Lazarus Caplan,
PEOPLE,
8 Sep. 2025
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Each death was devastating to relatives and friends left behind, and the first decades of the twentieth century were marred by individual grief on a global scale.—
Alice Vernon
September 8,
Literary Hub,
8 Sep. 2025
Verb
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The Federal Reserve is closely watching spending trends as policymakers debate a path for interest rate cuts — with the first trim expected Wednesday — but signs of a weakening labor market loom over the economy.—
semafor.com,
semafor.com,
19 Sep. 2025
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While the greenback has depreciated against other major currencies this year, with the dollar index tumbling over 10%, those currencies have also weakened in value relative to gold, Dalio said, noting that gold has become the second largest reserve currency globally.—
Anniek Bao,
CNBC,
19 Sep. 2025
Verb
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Killing, Corrupting, and Exiling of Science Under Hitler Widely regarded as the world’s research powerhouse in the 1920s and early 30s, German science was crippled by the Nazis starting in 1933, when Hitler gained power as Chancellor.—
Scott Montgomery,
Forbes.com,
15 Sep. 2025
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Deadly floods in Asia have devastated crops, crippling already fragile food production.—
Tom Chivers,
semafor.com,
11 Sep. 2025
Verb
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My actions have hurt innocent people.—
Lynsey Eidell,
PEOPLE,
18 Sep. 2025
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Too many reminders can come across as pushy and hurt your chances.—
Sho Dewan,
Forbes.com,
18 Sep. 2025
Verb
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My office and our partners will continue to hold fully accountable anyone seeking to compromise the national security of the United States.—
Jon Haworth,
ABC News,
16 Sep. 2025
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Having a solid structure in place can allow kindness to thrive without compromising the performance of your team or operations.—
Roxana Diaconu,
Forbes.com,
16 Sep. 2025
Verb
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For capital-intensive industries, that volatility erodes the policy stability required for long-term investment, adding another layer of uncertainty to already fragile markets.—
Felicia Jackson,
Forbes.com,
17 Sep. 2025
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But the brand’s relationship with Unilever eroded over the years.—
John Liu,
CNN Money,
17 Sep. 2025
Cite this Entry
“Impair.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impair. Accessed 21 Sep. 2025.
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