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
Presumably, this would be most valuable to people with attention deficit disorder, or other conditions that impair their sense of organization.
—
John Werner, Forbes.com, 30 June 2025
Alcohol intake also speeds up the heart rate and widens blood vessels, bringing an initial warmth to the skin, and impairs the body’s ability to regulate temperature, research has shown.
—Angelica Stabile, FOXNews.com, 30 June 2025
People with hearing loss have to pay closer attention and use more cognitive energy every day, which may impair their cognition over time, Brenowitz said.
—Brian Mastroianni, Health, 27 June 2025
This year marks the first time a child has died from measles in the United States since 2003 — and the child in that case had a rare genetic condition that impaired the immune system.
—Rong-Gong Lin Ii, Los Angeles Times, 26 June 2025
See All Example Sentences for impair
John Werner, Forbes.com, 30 June 2025
Alcohol intake also speeds up the heart rate and widens blood vessels, bringing an initial warmth to the skin, and impairs the body’s ability to regulate temperature, research has shown.
—Angelica Stabile, FOXNews.com, 30 June 2025
People with hearing loss have to pay closer attention and use more cognitive energy every day, which may impair their cognition over time, Brenowitz said.
—Brian Mastroianni, Health, 27 June 2025
This year marks the first time a child has died from measles in the United States since 2003 — and the child in that case had a rare genetic condition that impaired the immune system.
—Rong-Gong Lin Ii, Los Angeles Times, 26 June 2025
See All Example Sentences for impair
Recent Examples of Synonyms for impair
Verb
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Louisa Geringer, her 15-year-old stepson and 3-year-old daughter all died; a daughter and cousin were injured.—
Kori Rumore,
Chicago Tribune,
13 July 2025
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Three people were injured after being struck by lightning in a popular summer beach getaway town on Saturday night.—
Peter D'Abrosca,
FOXNews.com,
13 July 2025
Verb
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Anything that damages the trust between the vendor, Microsoft, and the user is as much a threat as the hackers themselves, in my never humble opinion.—
Davey Winder,
Forbes.com,
14 July 2025
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Driving through deep water can also damage a vehicle's mechanical and electrical systems.—
NC Weather Bot,
Charlotte Observer,
14 July 2025
Verb
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The last weekend of June in Indianapolis was marred by a rash of shootings that left seven dead and nine others injured.—
Noe Padilla,
IndyStar,
30 June 2025
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The Mets go the way of Francisco Lindor, and he’s been marred in his own slump this month.—
Abbey Mastracco,
New York Daily News,
30 June 2025
Verb
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The first-quarter boom in U.S. trade is weakening, with merchandise trade somewhat atypically declining for the second straight month, according to my analysis of the the most recent U.S. Census Bureau data.—
Ken Roberts,
Forbes.com,
9 July 2025
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The June jobs report showed strong headline numbers, but the underlying data pointed to a weakening labor market.—
Danny Bakst,
Fortune,
9 July 2025
Verb
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About six weeks ago, hackers crippled the computer systems of the TV and mobile phone provider Dish Network.—
Shira Ovide,
Washington Post,
4 Apr. 2023
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Oakland Mills Coach: Chris Brewington Last season: Class 2A state champion Outlook: Losing the talent Oakland Mills did from last year’s outdoor season would cripple most programs, but the Scorpions have reloaded.—
Anthony Maluso,
Baltimore Sun,
22 Mar. 2023
Verb
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In response to fraying ties with Washington, Brasília has sought closer relations with Beijing, a move that could hurt Lula’s popularity further: 75% of Brazilians distrust China, a recent poll showed.—
semafor.com,
semafor.com,
8 July 2025
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What’s going to hurt us probably is the property tax situation.—
Kansas City Star,
Kansas City Star,
8 July 2025
Verb
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If medical schools don’t prepare students to lead clinical application of these tools, for-profit companies and private equity firms will focus solely on ways to lower costs, even when these approaches compromise medical care.—
Robert Pearl,
Forbes.com,
7 July 2025
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The horse helped compromised Indigenous power even before tribes had their first confrontations with the US Army.—
Matthew Wills,
JSTOR Daily,
6 July 2025
Verb
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Now, this fundamental principle is at risk of being eroded.—
Philippa Pham Hughes,
Time,
11 July 2025
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Geopolitical tensions have made growth in China—its third largest market and 13% of total revenue—difficult and rival chipmakers are keen to erode its lead.—
Andrew Nusca,
Fortune,
10 July 2025
Cite this Entry
“Impair.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impair. Accessed 18 Jul. 2025.
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