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
would not fly
Grammar usage guide and real-world examplesUSAGE SUMMARY
"would not fly" is correct and usable in written English.
You can use it to describe something that is impossible, incorrect, or not accepted. For example: "The proposal to build the factory in a residential area would not fly with the local council."
✓ Grammatically correct
News & Media
Academia
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
That would not fly".
News & Media
But that would not fly with the hard Brexiters.
News & Media
I would not fly to space for the food.
News & Media
They would not fly off because they are being held down.
Academia
He had bought the pigeons in Kilis, he explained, so they would not fly far away.
News & Media
He said that "anything that doesn't pass the smell test" probably would not fly with him.
News & Media
Williams had a volatile coaching style, which would not fly at the N.B.A. level.
News & Media
"I wanted to audition writers, but it became very clear that would not fly.
News & Media
In other words, Miller High Life — the "champagne of beers" — would not fly in Europe.
News & Media
"Then I called my manager and said I would not fly anymore".
News & Media
He said that to avoid paying the fee in the future, he would not fly American.
News & Media
Expert writing Tips
Best practice
Use "would not fly" when you want to convey that a plan, idea, or behavior is unacceptable or impossible within a specific context.
Common error
Avoid using "would not fly" in situations where you simply mean something is unlikely or improbable, rather than strictly unacceptable. Choose a different idiom like "unlikely to succeed" if there's a chance of success, however slim.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "would not fly" is an idiomatic expression. According to Ludwig AI, it indicates that something is impossible, incorrect, or not accepted. Examples show it expressing disapproval or impossibility in various situations.
Frequent in
News & Media
74%
Academia
10%
Wiki
5%
Less common in
Formal & Business
4%
Science
3%
Reference
0%
Ludwig's WRAP-UP
The phrase "would not fly" is a common idiomatic expression used to convey that something is unacceptable or impossible within a specific context. Ludwig AI confirms its correct usage in written English. With its high frequency in news and media, as well as in academic sources, it is important to understand its proper usage. When writing, consider whether a more formal alternative might be appropriate for certain contexts. Avoid misinterpreting the phrase to mean something is simply unlikely, rather than entirely unacceptable. By understanding its nuances and contexts, you can effectively use "would not fly" in your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is unacceptable
Directly states the lack of acceptance.
is not viable
Emphasizes the impracticality or infeasibility.
is out of the question
Indicates complete impossibility or rejection.
is a non-starter
Highlights that something will not even begin or be considered.
is not permissible
Focuses on the lack of permission or authorization.
is not on
Informal way of saying something is not allowed or acceptable.
cannot be tolerated
Stresses the inability to accept or endure something.
is simply not done
Highlights a breach of social norms or expectations.
doesn't pass muster
Implies a failure to meet required standards or approval.
is dead in the water
Indicates that something has no chance of succeeding.
FAQs
What does "would not fly" mean?
The phrase "would not fly" means that something is unacceptable, not feasible, or impossible within a particular context or situation.
How can I use "would not fly" in a sentence?
You can say, for example, "His proposal to cut salaries /s/is+unacceptable target="_blank" rel="nofollow">is unacceptable to the union" or "That kind of behavior /s/cannot+be+tolerated" target="_blank" rel="nofollow">cannot be tolerated in this company."
What are some alternatives to saying "would not fly"?
Alternatives include phrases like "is unacceptable", "is not viable", or "is out of the question", depending on the specific nuance you want to convey.
Is "would not fly" a formal or informal expression?
"Would not fly" is considered an informal expression, so it's best suited for casual conversations or writing. In more formal contexts, consider using alternatives like "is unacceptable" or "is not feasible".
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested