Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
is impaired
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "is impaired" is correct and usable in written English.
It can be used to describe a condition where something is weakened, damaged, or not functioning properly. Example: "His ability to concentrate is impaired due to lack of sleep."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
When memory function is impaired, the impairment is localized.
His speech is impaired.
News & Media
"Her hearing is impaired.
News & Media
Generally, recent recall is impaired first.
News & Media
Rather, good will is to be tested at least annually, to see if it is impaired.
News & Media
"During these times when her thinking is impaired, you are her voice," Dr. O'Mahony replied.
News & Media
Dr. Zarkin's lawyer has said that his client, 61, is impaired by a frontal lobe disease.
News & Media
But that is not the only reason his vision is impaired.
News & Media
The problem was that the pilots were operating at night, when depth perception is impaired.
News & Media
"A soldier with hearing loss is impaired in battle," Gates said.
News & Media
The muscles tire, and the breathing function is impaired, so there's less oxygen entering the bloodstream".
News & Media
Expert writing Tips
Best practice
When describing a specific function or ability that's been negatively affected, pair "is impaired" with a clear and concise explanation of the cause or the extent of the impairment. For example, "Cognitive function is impaired due to sleep deprivation."
Common error
Avoid using "is impaired" in vague or general statements. Always specify what is impaired and, if possible, the reason for the impairment. For instance, instead of saying "Performance is impaired", specify "Memory recall is impaired by stress."
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is impaired" functions as a passive verb phrase, indicating that something or someone is experiencing a reduction in function or quality. As shown by Ludwig, it describes a state of reduced capability or effectiveness.
Frequent in
Science
52%
News & Media
42%
Formal & Business
6%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "is impaired" is a versatile and commonly used expression to describe a state of reduced functionality or capability. As Ludwig AI confirms, its grammatical status is correct. The frequency of use is very common, especially within scientific and news contexts. When using "is impaired", it's important to specify what exactly is impaired to maintain clarity. Alternative phrases include "is diminished", "is compromised", and "is weakened", each offering subtle differences in meaning. By following best practices and avoiding common errors, you can effectively communicate the intended meaning.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is diminished
Emphasizes a reduction in quality or quantity.
is compromised
Highlights a vulnerability or weakening due to external factors.
is weakened
Focuses on a loss of strength or robustness.
is deteriorated
Suggests a decline in condition over time.
is damaged
Indicates physical harm or impairment.
is hindered
Implies obstruction or delay in progress.
is affected
Broadly indicates influence or impact, often negative.
is reduced
Focuses on a decrease in amount or level.
is flawed
Suggests the presence of a defect or imperfection.
is deficient
Highlights a lack of necessary qualities or elements.
FAQs
How can I use "is impaired" in a sentence?
The phrase "is impaired" is used to indicate that something is weakened or not functioning correctly. For example, "His vision "is impaired" due to cataracts" or "Her judgment "is impaired" by alcohol."
What are some alternatives to "is impaired"?
Alternatives to "is impaired" include "is compromised", "is weakened", or "is damaged", depending on the specific context. For example, "His hearing is weakened by prolonged exposure to loud noise."
Is it better to use "is impaired" or "is damaged"?
The choice between "is impaired" and "is damaged" depends on the context. "Is impaired" suggests a functional reduction or weakening, while "is damaged" implies physical harm or structural compromise. "His cognitive function "is impaired"" focuses on reduced capability, while "His car is damaged" emphasizes physical harm.
What's the difference between "is impaired" and "is hindered"?
"Is impaired" suggests that something is weakened or functions at a sub-optimal level. "Is hindered" implies that something is being actively blocked or delayed. For instance, "Her progress "is hindered" by bureaucracy", whereas "Her ability to speak "is impaired" due to a stroke".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested