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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
may well not
Grammar usage guide and real-world examplesUSAGE SUMMARY
'may well not' is a correct and usable phrase in written English.
You can use it to express uncertainty or suggest that something is unlikely to happen. For example: "Given the current economic climate, it may well not be the best time to take a vacation."
✓ Grammatically correct
News & Media
Science
Alternative expressions(7)
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
He may well not have been hungry.
News & Media
Those decisions may well not hold.
News & Media
They may well not understand the tragedy.
News & Media
China's economy may well not be slowing.
News & Media
HMRC may well not see the branch accounts at all.
News & Media
But in my experience she may well not.
News & Media
In future, journalism may well not be like that.
News & Media
The Potus may well not be the only casualty.
News & Media
"They may well not be enough," he said.
News & Media
There may well not be any measurable change at all.
News & Media
Poland may well not get the money it wants.
News & Media
Expert writing Tips
Best practice
Combine "may well not" with a qualifying statement to provide context or justification for your assessment. For example, "Given the project's current challenges, it may well not be completed on time."
Common error
Avoid using "may well not" when you intend to express near certainty. The phrase implies a genuine possibility, however slim. If you are virtually certain something will not happen, use stronger language like "definitely won't" or "is highly unlikely to".
Source & Trust
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "may well not" functions as a modal construction indicating a degree of uncertainty or low probability. It modifies a verb phrase, suggesting that an action or event is unlikely to occur. As Ludwig AI confirms, the phrase expresses uncertainty. Examples show usage in formal writing across various contexts.
Frequent in
News & Media
68%
Science
18%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "may well not" is a grammatically sound modal phrase used to express uncertainty or a low probability of an event occurring. Ludwig AI confirms its correctness and usability. It is commonly found in diverse sources, particularly News & Media and Science, indicating a neutral to formal register. While similar to phrases like "might not" or "probably won't", it carries a nuanced meaning of reasoned uncertainty, making it suitable for situations where a cautious prediction is required. When writing, be mindful of the subtle difference in meaning of the similar phrases might not, "probably won't".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
might not
Expresses a possibility that something will not happen; slightly less emphatic than the original.
could well not
Suggests a weaker possibility or condition compared to "may well not".
it's unlikely to
Emphasizes the low probability of an event occurring.
probably won't
Indicates a strong expectation that something will not happen.
is unlikely to
States that something is improbable, focusing on the inherent nature of the subject.
it's doubtful that
Highlights the uncertainty or lack of confidence in a particular outcome.
it's questionable whether
Raises doubts about the certainty or validity of a particular outcome.
possibly not
Expresses a moderate degree of uncertainty or doubt.
conceivably not
Indicates a potential, though perhaps unlikely, negative outcome.
perhaps not
Suggests uncertainty with a slightly more tentative tone.
FAQs
How can I use "may well not" in a sentence?
Use "may well not" to express a degree of uncertainty about a future event or outcome. For example, "The company "may well not" meet its quarterly targets given the current economic downturn."
What's a formal alternative to "may well not"?
In more formal contexts, consider using phrases like "it is unlikely that" or "it is doubtful whether" instead of ""may well not"" to maintain a professional tone.
How does "may well not" differ from "probably won't"?
"May well not" expresses a possibility, albeit a small one, that something will not occur. "Probably won't" implies a stronger expectation that something will not happen, suggesting a higher degree of certainty.
Is "may well not" the same as "might not"?
While similar, "may well not" often suggests a slightly stronger degree of improbability than "might not". "May well not" can imply that there are specific reasons to believe something will not happen, whereas "might not" is more general.
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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
87%
Authority and reliability
4.6/5
Expert rating
Real-world application tested