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
was incapable of
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "was incapable of" is correct and usable in written English.
It can be used to describe someone or something that lacks the ability or capacity to perform a certain action or task. Example: "Despite her best efforts, she was incapable of solving the complex math problem."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Wiki
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
I was incapable of resistance.
News & Media
Not that Claiborne was incapable of snobbery.
News & Media
And he was incapable of physical disgust.
News & Media
She was incapable of modern irony.
News & Media
He was incapable of duplicity.
News & Media
He was incapable of unzipping his pants".
News & Media
Whoever was incapable of walking was shot.
News & Media
I was incapable of talking to girls.
News & Media
He decided that Atlanta was incapable of investigating itself.
News & Media
"I was incapable of taking a photo," he said.
News & Media
McGovern, who was incapable of boasting, made a different choice.
News & Media
Expert writing Tips
Best practice
When using "was incapable of", ensure that the context clearly specifies the action or task that the subject could not perform. This adds clarity and avoids ambiguity.
Common error
Avoid using "was incapable of" when a situation simply presented a challenge or difficulty. This phrase implies a fundamental lack of ability, not just a temporary obstacle.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "was incapable of" functions as a predicate adjective phrase. It asserts a state of inability or lack of capacity regarding the subject of the sentence. Examples from Ludwig show its use in describing a person's inherent limitations or the limitations of a system or object.
Frequent in
News & Media
50%
Science
33%
Wiki
8%
Less common in
Encyclopedias
5%
Formal & Business
2%
Social Media
2%
Ludwig's WRAP-UP
In summary, "was incapable of" is a grammatically sound and frequently used phrase to express a lack of ability or capacity. According to Ludwig, its usage spans across varied contexts from news to science, highlighting its versatility. While alternatives like "was unable to" exist, "was incapable of" carries a more definitive tone. It's important to use this phrase accurately, ensuring it reflects a genuine inability rather than a simple difficulty.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
was unable to
Expresses a lack of ability, often due to external circumstances.
was not able to
A straightforward way of indicating an absence of capacity.
could not
A more concise and common way to express inability.
lacked the ability to
Highlights the absence of a specific skill or power.
was powerless to
Implies a lack of strength or authority to act.
was helpless to
Suggests a lack of resources or support to overcome a challenge.
was deficient in
Focuses on a specific area where someone or something is lacking.
was not equipped to
Highlights a lack of the necessary tools or resources.
was incompetent to
Implies a lack of necessary skills or qualifications.
was unfit to
Suggests an unsuitability or disqualification for a task.
FAQs
How can I use "was incapable of" in a sentence?
Use "was incapable of" to indicate a fundamental lack of ability or capacity. For example, "He was incapable of understanding complex concepts" or "The old machine was incapable of performing its original function".
What are some alternatives to "was incapable of"?
Alternatives include "was unable to", "lacked the ability to", or "could not". The best choice depends on the specific context.
Is it better to say "was incapable of" or "could not"?
Both "was incapable of" and "could not" express an inability. "Was incapable of" is more formal and emphasizes a fundamental lack of capacity, while "could not" is more general and can refer to temporary or situational inabilities.
What's the difference between "was incapable of" and "was unwilling to"?
"Was incapable of" indicates an inability or lack of capacity, while "was unwilling to" indicates a refusal or lack of desire. The first refers to a lack of ability, and the second refers to a lack of motivation.
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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