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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
impair
Grammar usage guide and real-world examplesUSAGE SUMMARY
The word 'impair' is correct and can be used in written English.
You can use it to describe the weakening or damaging of something, or as a verb meaning to make something worse or less effective. Example sentence: His increasing anxiety was impairing his ability to focus.
✓ Grammatically correct
News & Media
Science
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
George Collier, another doctor, affirmed that graveyard miasma would "depress, impair and enervate the human frame", and was a predisposing cause of fever of the "low typhoid kind".
News & Media
Weak banks weaken sovereigns that are called upon to bail them out; weak sovereigns impair banks that hold their bonds.
News & Media
In this case, though, Olivier Blanchard's remark, that monetary ease could be paired with tighter regulation, is spot on; after all, the policy doesn't work by boosting investment but by redistributing claims via inflation.Another concern might be that the same political forces that restrain fiscal policy might also successfully impair monetary policy.
News & Media
Previous research has suggested that graduating from an MBA programme during a recession can permanently impair one's earnings; perhaps a new line of inquiry should investigate whether it affects one's inclination towards bold moves as well.
News & Media
Dr Czeisler forcefully argues that going without sleep can impair judgment: four hours of sleep for four or five days in a row, or staying awake for 24 hours straight, creates a state akin to drunkenness.
News & Media
It joins other multinationals, including Procter & Gamble and Pfizer, in warning that a strong greenback could impair future income.
News & Media
Forcing them to disclose information would impair their incentive to uncover and correct market inefficiencies, to the detriment of all.
News & Media
Fruit bats, often eaten by people living in West Africa, are thought to be a host for the virus, which starts with flu-like symptoms but can impair kidney and liver function, and in severe cases damages blood cells, leading to external and internal bleeding.The current outbreak started in south-eastern Guinea in February and spread to Liberia in March and Sierra Leone in May.
News & Media
Commerzbank has already separated investment banking from commercial banking, it says, so ring-fencing would be mainly cosmetic.Such extra costs to banks are unlikely greatly to impair big German companies' access to finance or investment-banking services.
News & Media
The medical truth is that, though the effects of alcohol will vary from person to person, any level is bound to impair a driver's judgment.
News & Media
Even using a "hands-free" device can impair a driver's attention to an alarming extent.Melina Kunar of the University of Warwick, in England, and Todd Horowitz of the Harvard Medical School ran a series of experiments in which two groups of volunteers had to pay attention and respond to a series of moving tasks on a computer screen that were reckoned equivalent in difficulty to driving.
News & Media
Expert writing Tips
Best practice
When describing abstract concepts like reputation or trust, use "impair" to convey a sense of gradual damage rather than sudden destruction.
Common error
While "impair" is versatile, reserve it for situations where a measured, objective tone is appropriate. For intensely negative situations, consider stronger verbs like "devastate" or "destroy".
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "impair" is as a transitive verb, meaning it requires a direct object. As Ludwig AI confirms, it signifies weakening or damaging something. Examples from Ludwig illustrate its use in describing the negative impact on various entities, such as judgment, earnings, and growth.
Frequent in
News & Media
60%
Science
30%
Formal & Business
5%
Less common in
Encyclopedias
2%
Wiki
1%
Reference
2%
Ludwig's WRAP-UP
In summary, "impair" functions as a transitive verb signifying a weakening or damaging effect. Ludwig AI confirms its correct usage in written English. Its formality is neutral, often found in news, science, and business contexts. When writing, it's best to reserve "impair" for situations requiring an objective tone, and be mindful of its potential overuse in highly emotional contexts. Consider alternatives such as "weaken", "damage", or "undermine" for subtle variations in meaning. Remember "impair" indicates a lessening of function while "deteriorate" suggests progressive decline. "Impair" is a "very common" word, so you're likely to encounter it often.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
weaken
Focuses on the reduction of strength or effectiveness.
damage
Highlights the physical or structural harm caused.
hinder
Emphasizes the obstruction or delay of progress.
diminish
Suggests a reduction in size, importance, or quality.
undermine
Implies a gradual weakening or destabilization.
compromise
Indicates a reduction in quality or integrity.
affect negatively
A broader term indicating an adverse impact.
deteriorate
Focuses on the process of becoming progressively worse.
degrade
Suggests a lowering in quality or moral character.
weaken the effect
Directly addresses the reduction of effectiveness.
FAQs
How to use "impair" in a sentence?
The verb "impair" means to weaken or damage something, typically a function or ability. For example, "Lack of sleep can impair cognitive function".
What can I say instead of "impair"?
Which is correct, "impair" or "impaired"?
"Impair" is the verb, while "impaired" is the past participle or adjective form. For example, "The injury will impair his ability to walk" (verb) versus "His vision is impaired" (adjective).
What's the difference between "impair" and "deteriorate"?
"Impair" suggests a lessening of function or quality, while "deteriorate" emphasizes a progressive decline or worsening condition.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
90%
Authority and reliability
4.5/5
Expert rating
Real-world application tested