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
under a misapprehension
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "under a misapprehension" is correct and usable in written English.
It can be used when someone is mistaken or has a misunderstanding about a situation or information. Example: "She was under a misapprehension that the meeting was scheduled for Friday instead of Thursday."
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(18)
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
6 human-written examples
"Parliament made a gracious act under a misapprehension," he said.
News & Media
According to what he told Captain Less, he joined the S.D. under a misapprehension.
News & Media
Those who believe they witnessed the English spirit collapse like a bad soufflé within the time it took for Peter Siddle to produce his first day hat-trick found themselves labouring under a misapprehension today.
News & Media
The latter appeared to be labouring under a misapprehension which could only be cultivated by the perpetually daft – namely that to suggest there are better ways of tackling spiralling childhood obesity than bullying your child behind closed doors, is to condone or even promote spiralling childhood obesity.
News & Media
"People are under a misapprehension that they have this partnership that's formed - it's not, they have hardly played together," continued Pardew.
News & Media
We would not react by saying 'That is false' but would rather say something like 'What do you mean?' or 'You must be under a misapprehension'.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
53 human-written examples
I had arrived at the market under something of a misapprehension, thinking it was going to be a rusticated reincarnation of the late Hold Everything (a competitor of the Container Store also owned by Williams-Sonoma).
News & Media
A judge said residents were "under something of a misapprehension" regarding the equipment and risks.
News & Media
"The ultimate decision as to where the balance of the public interest lies is a matter for the courts and not for the executive – and any [foreign] country providing intelligence to the UK which understood otherwise would be labouring under a fundamental misapprehension," Vassall-Adams said.
News & Media
Yet such hopes labor under a similar misapprehension.
News & Media
This was a misapprehension.
Encyclopedias
Expert writing Tips
Best practice
When using "under a misapprehension", ensure the context clearly indicates what the specific misunderstanding is to avoid ambiguity. For example, specify the fact or situation the person misunderstands.
Common error
Avoid confusing "misapprehension", which means a misunderstanding, with "apprehension", which means anxiety or fear. Ensure you're using the correct term to convey your intended meaning.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
"Under a misapprehension" functions as a prepositional phrase modifying a verb or noun, indicating the condition or state in which someone is acting or believing something. Ludwig confirms that the phrase is correct and usable in written English, indicating a state of being mistaken.
Frequent in
News & Media
65%
Science
15%
Encyclopedias
10%
Less common in
Formal & Business
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
The phrase "under a misapprehension" is a grammatically correct and useful idiom for expressing that someone is operating with a mistaken understanding of a situation. As shown by Ludwig, it is most frequently found in news and media, but also appears in scientific and encyclopedia contexts. It is important to distinguish "misapprehension" from similar-sounding words like "apprehension". When using "under a misapprehension", clarity is key; ensure the context makes it clear what the specific misunderstanding is to avoid ambiguity. Several alternatives exist, such as "under a mistaken notion" or ""in error"", offering flexibility in phrasing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
under the wrong impression
Replaces "a misapprehension" with "the wrong impression", focusing on the incorrect understanding.
under a mistaken notion
Uses "mistaken notion" in place of "misapprehension", conveying a sense of an incorrect idea.
laboring under a false impression
Replaces "misapprehension" with "false impression", emphasizing the incorrectness of the belief.
under a false assumption
Emphasizes the role of an incorrect assumption in leading to the misunderstanding.
operating under a delusion
Substitutes "misapprehension" with "delusion", suggesting a stronger, potentially irrational, false belief.
under an illusion
Suggests a deceptive appearance that leads to a misunderstanding.
mistakenly believing
Highlights the act of incorrectly believing something to be true.
misled
A single word that directly indicates the state of being led to an incorrect understanding.
not aware of the true facts
Focuses on the lack of knowledge of the correct information.
in error
A concise phrase indicating a state of being incorrect or mistaken.
FAQs
How can I use "under a misapprehension" in a sentence?
You can use "under a misapprehension" to indicate that someone has an incorrect understanding of something. For example: "He was "under a misapprehension" that the project was already completed."
What's a simple way to say "under a misapprehension"?
You can replace "under a misapprehension" with simpler phrases like "mistakenly believing" or "in error" to convey the same meaning.
Is it better to use "under a misapprehension" or "under a misconception"?
"Under a misapprehension" and "under a misconception" are very similar. "Misapprehension" might suggest a slightly more active misunderstanding, while "misconception" might imply a passively held incorrect belief, but they are often interchangeable.
What's the difference between "misapprehension" and "apprehension"?
"Misapprehension" refers to a misunderstanding or incorrect understanding, while "apprehension" refers to anxiety or fear about something that might happen. They have completely different meanings.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested