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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 incapable
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is incapable" is a correct and usable part of a sentence in written English.
You can use it when you want to express that someone or something cannot do or is unable to do something. For example: "The computer is incapable of responding to such complex questions."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
is not educated
is unsuitable
is unavailable
is not institutionalized
is out of the question
is unable
is deficient in
is inefficient
is not incorporated
is useless
is not accommodated
is not characterized
is not acquired
is inadequate
is not able to
is without
lacks the capacity
is unequipped to
is inadequate for
is not authorized
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
59 human-written examples
She is incapable of dissimulating.
News & Media
But Tyson is incapable of dullness.
News & Media
He is incapable of making small talk.
News & Media
My mind is incapable of thought.
News & Media
Something that is incapable of being improved.
News & Media
Japan's political establishment is incapable of leadership.
News & Media
But McCullin is incapable of pretence.
News & Media
This ensemble is incapable of routine.
News & Media
"She is incapable of independent existence.
News & Media
"My character is incapable of empathy.
News & Media
She is incapable of being inauthentic".
News & Media
Expert writing Tips
Best practice
When using "is incapable", ensure the context clearly specifies what the subject is unable to do. This avoids ambiguity and strengthens the statement.
Common error
Avoid using "is incapable" when a situation is merely difficult or unlikely. Reserve it for scenarios where a genuine, inherent inability exists to maintain accuracy and impact.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is incapable" primarily functions as a predicate adjective, modifying the subject by asserting a lack of ability or capacity. Ludwig AI indicates this phrase is grammatically correct and widely used.
Frequent in
News & Media
67%
Science
24%
Wiki
3%
Less common in
Formal & Business
3%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "is incapable" is a versatile phrase used to express a lack of ability or capacity. As Ludwig AI confirms, it's grammatically sound and frequently found in diverse contexts, especially News & Media. While alternatives like ""is unable to"" or ""cannot"" exist, "is incapable" offers a formal tone suitable for professional and academic settings. Remember to use it when a genuine inability exists to maintain clarity and impact. By avoiding overstatement and specifying the limitation, you can effectively use "is incapable" in your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
is unable to
Focuses on the lack of ability or power to do something.
is not able to
Emphasizes the absence of the necessary means or qualification.
cannot
A more direct and concise way of expressing inability.
is not in a position to
Highlights the lack of a suitable situation or circumstance.
is unequipped to
Stresses the lack of necessary equipment, skills, or resources.
is deficient in
Indicates a lack or shortage of something essential.
is inadequate for
Suggests that something does not meet the required standard or need.
is unfit to
Implies a lack of suitability or qualification for a particular purpose.
lacks the capacity to
Highlights the absence of the inherent ability to do something.
is out of the question
Indicates that something is not possible or allowed.
FAQs
How can I use "is incapable" in a sentence?
Use "is incapable" to state that someone or something lacks the ability or capacity to do something. For instance, "The old computer "is incapable" of running modern software".
What are some alternatives to saying "is incapable"?
Alternatives include "is unable to", "is not able to", or "cannot", depending on the context. Each carries a slightly different nuance, but they all express a lack of ability.
Is it better to say "is incapable of" or "cannot"?
Both are correct, but "is incapable of" is more formal. "Cannot" is more direct and often used in everyday conversation. The best choice depends on the desired tone and context.
What does it mean when something is described as "incapable"?
When something is described as "incapable", it means it lacks the necessary ability, power, or qualities to perform a specific action or fulfill a particular function.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested