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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
fail to comprehend
Grammar usage guide and real-world examplesUSAGE SUMMARY
'fail to comprehend' is a perfectly acceptable part of a sentence in written English.
It is usually used to describe someone's inability to understand something that has been said or written. For example: "Despite her best efforts to explain the concepts, many of her students failed to comprehend the material."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(20)
not understand
not grasp
not realize
not get
misunderstand
be unaware of
be oblivious to
remain ignorant of
fail to discover
fail to understand
fails to comprehend
fail to understanding
failing to comprehend
failed to comprehend
fail to see
fail to ascertain
fail to recognize
fail to know
failure to comprehend
lose the ability to understand
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
41 human-written examples
And, as we saw yesterday, they often fail to comprehend personal responsibility.
News & Media
The problem, she points out, is that we humans fail to comprehend our collective effect the planet.
News & Media
Groups representing victims of priests say such attitudes fail to comprehend the depth of the victims' pain.
News & Media
"When juries fail to comprehend the monstrous scale of a police officer's murder, they fail society itself," Police Commissioner Raymond W. Kelly said in a statement.
News & Media
This conflict within the conflict is something that many on Europe's left, as they ally themselves with unsavory forces, still fail to comprehend.
News & Media
(Incidentally, this is hardly my area of expertise, but I fail to comprehend why any sane 21st-century human would refuse an epidural.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
18 human-written examples
Clara was singing something that I strained to hear, and failed to comprehend.
News & Media
Like Mary, Joseph failed to comprehend Jesus' ironic question, " 'How is it that you sought me?
Encyclopedias
At the time, Cecil failed to comprehend the sheikh's ambitions for his homeland.
News & Media
No matter whom she spoke with, it seemed as if each person failed to comprehend what Totonno's signified.
News & Media
Mr. Gold can be alternately charming and combative if a listener fails to comprehend a point quickly.
News & Media
Expert writing Tips
Best practice
Use "fail to comprehend" when you want to express a lack of understanding, especially when the subject is complex or abstract. For example, "Many people fail to comprehend the complexities of quantum physics."
Common error
Avoid using "fail to comprehend" in very simple contexts where "not understand" is more appropriate. Overly formal language can sometimes obscure your meaning.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "fail to comprehend" functions as a verb phrase, indicating an inability or lack of understanding. As shown by Ludwig, it frequently appears with a subject and object, expressing that someone or something is unable to grasp a particular concept or idea.
Frequent in
News & Media
46%
Science
17%
Huffington Post
15%
Less common in
Encyclopedias
8%
Wiki
4%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "fail to comprehend" is a common and grammatically correct way to express a lack of understanding. According to Ludwig AI, it's widely used across various contexts, particularly in news and media and science. While simpler alternatives like "not understand" exist, "fail to comprehend" is suitable for emphasizing complexity. When writing, remember to use it where a formal register is appropriate, and avoid overuse in overly simple contexts. Examples provided by Ludwig help showcase the versatility and correct usage of this phrase. It’s worth noting that less formal alternatives such as "not get" may be more appropriate in certain situations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
not understand
A simpler and more direct way of expressing a lack of comprehension.
not realize
Emphasizes a failure to become fully aware or understand something.
not grasp
Focuses on the inability to seize or understand an idea.
not fathom
Suggests a deeper, more complex lack of understanding.
misunderstand
Implies a wrong interpretation, rather than a complete lack of understanding.
not perceive
Focuses on the inability to become aware of something through the senses or the mind.
be unaware of
Indicates a lack of knowledge or consciousness.
not appreciate
Highlights a failure to recognize the value or importance of something.
be oblivious to
Emphasizes a lack of awareness or consciousness of something.
remain ignorant of
Highlights a state of not knowing or being informed about something.
FAQs
How can I use "fail to comprehend" in a sentence?
You can use "fail to comprehend" to describe someone's inability to understand something, such as "The students failed to comprehend the lecture."
What's a simpler way to say "fail to comprehend"?
Alternatives include "not understand", "not grasp", or "not realize", depending on the context.
When is it appropriate to use "fail to comprehend"?
"Fail to comprehend" is suitable when discussing complex ideas or when emphasizing a significant lack of understanding. It suggests a deeper level of incomprehension than simply "not understanding."
Is "fail to comprehend" formal or informal?
"Fail to comprehend" leans toward the formal side. In informal settings, phrases like "not get" or "not understand" are more common.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested