impair

Synonym Chooser

How is the word impair distinct from other similar verbs?

Some common synonyms of impair are damage, harm, hurt, injure, and mar. While all these words mean "to affect injuriously," impair suggests a making less complete or efficient by deterioration or diminution.

years of smoking had impaired his health

In what contexts can damage take the place of impair?

The meanings of damage and impair largely overlap; however, damage suggests injury that lowers value or impairs usefulness.

a table damaged in shipping

When might harm be a better fit than impair?

While the synonyms harm and impair are close in meaning, harm often stresses the inflicting of pain, suffering, or loss.

careful not to harm the animals

When could hurt be used to replace impair?

The words hurt and impair are synonyms, but do differ in nuance. Specifically, hurt implies inflicting a wound to the body or to the feelings.

hurt by their callous remarks

When is injure a more appropriate choice than impair?

Although the words injure and impair have much in common, injure implies the inflicting of anything detrimental to one's looks, comfort, health, or success.

badly injured in an accident

When would mar be a good substitute for impair?

While in some cases nearly identical to impair, mar applies to injury that spoils perfection (as of a surface) or causes disfigurement.

the text is marred by many typos

Example Sentences

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.
Recent Examples of impair And many of her makeup looks are not really designed to be worn out to a party, as the prosthetics can get pretty hot and sometimes even impair her visibility. Luke Chinman, PEOPLE, 31 Oct. 2025 Clausen allegedly had five of eight possible clues of driving while impaired during a walk and turn test, including losing balance while walking and starting before being told to begin, according to court documents. Kansas City Star, 30 Oct. 2025 The Fed's view of the economy remains impaired by a lack of other data, which is paused due to the government shutdown. Christian Orozco, NBC news, 29 Oct. 2025 Officers were called to the location about a 34-year-old man, who may have been impaired and trespassing while sitting in his vehicle in a lot, according to Detective John Dreyer, a Mesa police spokesperson. Michelle Cruz, AZCentral.com, 29 Oct. 2025 See All Example Sentences for impair
Recent Examples of Synonyms for impair
Verb
  • Across Japan, at least 13 people have been killed and more than 100 injured since April this year, according to government figures – the highest numbers since records began in 2006.
    Jessie Yeung, CNN Money, 7 Nov. 2025
  • Four students and the Suburban's driver were transported to a local hospital, Murphy said, adding that the bus driver was not injured.
    Arkansas Online, Arkansas Online, 6 Nov. 2025
Verb
  • Stay away from windows as flying debris generated by damaging winds can be deadly.
    NC Weather Bot, Charlotte Observer, 10 Nov. 2025
  • According to Brown, Hurricane Michael damaged 80 percent of the park’s namesake trees, but through a project with the Florida Park Service and Atlanta Botanical Garden, seeds obtained from living trees are being grown and planted in the ravine habitat at Torreya State Park.
    Carrie Honaker, Travel + Leisure, 9 Nov. 2025
Verb
  • This dynamic marred the 2012-13 Hurricane Sandy package and has recurred in other disaster bills, not because relief is illegitimate but because speed plus political cover invites provisions that would die in regular order.
    Veronique De Rugy, Oc Register, 7 Nov. 2025
  • Sook’s comments followed Nexstar’s report of quarterly results, which were marred by the absence of political advertising compared with the same quarter in 2024.
    Dade Hayes, Deadline, 6 Nov. 2025
Verb
  • With some estimates putting wave heights as much as 35 feet, weakened hatch covers would have been vulnerable to such waves.
    Stephen J. Beard, USA Today, 7 Nov. 2025
  • The years of horrific violence have weakened Sudan, plunging its institutions into chaos and making its population more vulnerable and poorer.
    Ivana Kottasová, CNN Money, 7 Nov. 2025
Verb
  • Since then, they've been forced to work remotely — at a time when the government was doling out return-to-office mandates — preventing access to labs and crippling the center's mission of embedding NASA climate scientists within international academia.
    Josh Dinner, Space.com, 31 Oct. 2025
  • The agency warned that depleting the reserve could cripple the Disaster SNAP (D-SNAP) program, which provides emergency food assistance after natural disasters.
    Robert Alexander, MSNBC Newsweek, 30 Oct. 2025
Verb
  • Thomas hurt his hamstring repeatedly last year, which limited him to 25 games.
    Eric Koreen, New York Times, 6 Nov. 2025
  • This insanity has to stop before anyone else gets hurt.
    Emma Bussey, FOXNews.com, 6 Nov. 2025
Verb
  • Two years later, after more legal wrangling, the Connecticut Supreme Court voted narrowly to overturn his conviction, ruling that Skakel's right to a fair trial was compromised by ineffective legal representation.
    KC Baker, PEOPLE, 4 Nov. 2025
  • Several aviation experts tell CNN that passenger safety is not being compromised, but travelers should plan for long waits — sometimes several hours.
    Alexandra Banner, CNN Money, 4 Nov. 2025
Verb
  • In particular, the city’s stormwater system is failing as pipes have eroded and caused sinkholes to pop up in some parts of the city.
    Taylor O'Connor, Kansas City Star, 5 Nov. 2025
  • While cord-cutting continues to erode the national pay-TV base, local sports has managed to offset any losses in linear reach with a rapidly expanding streaming audience.
    Anthony Crupi, Sportico.com, 5 Nov. 2025

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Cite this Entry

“Impair.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/impair. Accessed 11 Nov. 2025.

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