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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
is probably not
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is probably not" is a correct and usable part of a sentence in written English.
You can generally use it when you are talking about something that is likely not to be the case. For example: "I think that it is going to rain tomorrow, but that is probably not the case."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
is likely not
is unlikely to be
is doubtful
it is unlikely
it is possible
is perhaps not
is possibly not
is certainly not
it seems unlikely
is doubtless not
is arguably not
is probably no
is presumably not
is probably lacks
is probably just not
is probably avoided
is very likely not
is quite possibly not
was likely not
was perhaps not
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
My guess is probably not.
News & Media
It is probably not.
News & Media
Schism is probably not an overstatement.
News & Media
The short answer is probably not.
News & Media
"This is probably not the right patient".
News & Media
Accusing him of theft is probably not.
News & Media
That is probably not much help.
News & Media
Doing nothing is probably not an option.
News & Media
This is probably not what they mean.
News & Media
"My hunch is probably not," Hood replies.
News & Media
But that is probably not enough.
News & Media
Expert writing Tips
Best practice
Use "is probably not" to express a moderate degree of uncertainty or doubt about a statement. It's suitable when you want to avoid making a definitive claim.
Common error
In formal or academic writing, avoid overuse. Opt for more precise language to convey the level of uncertainty, such as "is unlikely" or "is not expected to be".
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is probably not" functions as a hedge or qualifier, softening a statement and indicating a degree of uncertainty. As Ludwig AI confirms, this phrase is a correct and usable part of a sentence.
Frequent in
News & Media
64%
Science
24%
Academia
6%
Less common in
Wiki
2%
Formal & Business
2%
Science
0%
Ludwig's WRAP-UP
In summary, "is probably not" is a versatile phrase used to express a moderate level of uncertainty. Ludwig AI confirms its grammatical correctness and usability. It functions as a hedge, allowing speakers and writers to avoid definitive statements. While its usage spans various contexts, it is particularly common in News & Media and Science. To enhance clarity in formal writing, consider using more precise alternatives. By understanding its nuances, you can effectively communicate doubt and qualify your claims with confidence.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
is likely not
Replaces "probably" with "likely", suggesting a similar level of uncertainty.
is almost certainly not
Adds emphasis to the unlikelihood of something being true.
is unlikely to be
Emphasizes the improbability of something being the case.
is perhaps not
Substitutes "probably" with "perhaps", implying a slightly weaker level of certainty.
is doubtful
Indicates a stronger sense of disbelief or uncertainty.
is possibly not
Uses "possibly" instead of "probably", suggesting a lower degree of likelihood.
is not expected to be
Focuses on the lack of expectation for something to occur.
may well not be
Expresses a possibility that something is not the case.
is certainly not
Indicates a high degree of confidence that something is not the case.
it seems unlikely
Shifts the focus to the perceived likelihood of an event.
FAQs
When is it appropriate to use "is probably not" in a sentence?
Use "is probably not" when you want to express a moderate degree of uncertainty or doubt. It suggests that something is less likely to be true, but without complete conviction.
What are some alternatives to "is probably not"?
You can use alternatives like "is likely not", "is unlikely to be", or "is doubtful" to convey similar meanings.
Is "is probably not" too informal for academic writing?
While generally acceptable, in highly formal academic writing, consider using more precise and nuanced expressions of uncertainty to enhance clarity and rigor. For example, "it is unlikely" or "it is possible".
What's the difference between "is probably not" and "is certainly not"?
"Is probably not" suggests a moderate level of uncertainty, while "is certainly not" indicates a high degree of confidence that something is false or untrue.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested