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
presumably not
Grammar usage guide and real-world examplesUSAGE SUMMARY
"presumably not" is a correct and usable phrase in written English.
You can use this phrase to indicate that you suspect something is not likely to be true. For example, "Will it rain tomorrow? It's supposed to be sunny, so presumably not."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
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
"Presumably not.
News & Media
Presumably not as Michelle's guest.
News & Media
Presumably not the latest French economic data?
News & Media
(Presumably, not the ones from Oakland).
News & Media
(Of people, presumably, not different types of beetles).
News & Media
Presumably not Bud Selig, or anyone close to him.
News & Media
Presumably not just lengths for all that time?
News & Media
The father will presumably not be from the action.
News & Media
Q. Presumably not everyone was pleased? A. No.
News & Media
Concentrating Australian minds was, presumably, not part of the plan.
News & Media
(Presumably, not to be confused with New Coke).
News & Media
Expert writing Tips
Best practice
Use "presumably not" to express a tentative conclusion based on available information or assumptions, particularly when you want to avoid stating a strong opinion.
Common error
Avoid using "presumably not" when you have strong evidence to the contrary. It's best used when there's a reasonable basis for your assumption, even if it's not definitive.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "presumably not" functions as an adverbial phrase that modifies a verb or clause, expressing a qualified negation based on assumption or inference. As Ludwig AI confirms, it's a grammatically sound way to introduce uncertainty.
Frequent in
News & Media
75%
Science
15%
Encyclopedias
5%
Less common in
Formal & Business
2%
Social Media
2%
Reference
1%
Ludwig's WRAP-UP
In summary, "presumably not" is a commonly used adverbial phrase that conveys a tentative negation based on an assumption or inference. As Ludwig AI confirms, the phrase is grammatically correct and appropriate for expressing doubt without making a definitive statement. It is most frequently found in news and media contexts, suggesting a neutral register. When using "presumably not", ensure that it aligns with the available evidence and avoid overstating certainty. Consider alternatives such as "probably not" or "likely not" depending on the desired nuance. This phrase helps writers express a degree of uncertainty while maintaining clarity in their communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
probably not
This alternative uses "probably" instead of "presumably", indicating a slightly higher degree of certainty.
likely not
This alternative replaces "presumably" with "likely", conveying a similar level of expectation.
it's unlikely
This expresses a low probability of something happening.
not likely
This is a shorter, more concise version of "it's unlikely".
I doubt it
This is a more direct and informal way of expressing doubt.
I don't think so
This conveys a personal opinion that something is not the case.
improbably
This alternative uses an adverb to express the low probability.
I imagine not
This suggests a weaker form of doubt based on imagination.
scarcely
This implies a very low chance or possibility.
I'd venture to say no
This expresses a hesitant disagreement or doubt.
FAQs
How can I use "presumably not" in a sentence?
Use "presumably not" to express a reasoned assumption that something is unlikely to be true. For example, "Will the meeting be long? It's just an update, so "presumably not"."
What are some alternatives to saying "presumably not"?
You can use alternatives like "probably not", "likely not", or "I doubt it" depending on the context and level of formality.
Is there a difference between "presumably not" and "supposedly not"?
"Presumably not" implies a logical deduction based on available information, while "supposedly not" suggests information is based on hearsay or unverified claims.
When is it inappropriate to use "presumably not"?
Avoid using "presumably not" when you have concrete evidence that something is definitely true or false. It's best suited for situations involving speculation or reasonable assumptions.
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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