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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
In all probability
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "In all probability" is correct and usable in written English.
It can be used to express a high likelihood or expectation that something will happen or is true. Example: "In all probability, the event will be postponed due to the weather conditions."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
Without the changes, many prisoners "in all probability would never have survived," he added.
News & Media
In all probability, none.
News & Media
In all probability both claims are true.
News & Media
"In all probability, he hates you".
News & Media
In all probability, it never will.
News & Media
In all probability, both are likely to increase.
News & Media
In all probability, it will be a fresher opponent too.
News & Media
In all probability, Haye will get away with a caution.
News & Media
In all probability that is all I will ever know.
News & Media
"In all probability, some of them were not".
News & Media
In all probability, it'll be none of the above.
News & Media
Expert writing Tips
Best practice
When writing in a formal context, "In all probability" can add a touch of sophistication compared to simpler alternatives like 'probably'.
Common error
Avoid using "In all probability" when you possess definitive proof; instead, use phrases that convey absolute certainty. "In all probability" should indicate a high degree of likelihood, not a confirmed fact.
Source & Trust
90%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "In all probability" functions as an adverbial phrase, modifying a verb or clause to express a high degree of likelihood. As Ludwig AI states, the phrase indicates that something is very probable or almost certain. Examples from Ludwig illustrate this function in various contexts.
Frequent in
News & Media
78%
Science
10%
Formal & Business
6%
Less common in
Encyclopedias
2%
Reference
2%
Wiki
2%
Ludwig's WRAP-UP
In summary, "In all probability" is a versatile adverbial phrase used to express a strong likelihood or expectation. As Ludwig AI confirms, the phrase is grammatically correct and widely used across various domains, including news, science, and business. While nearly synonymous with "in all likelihood" and similar to phrases like "most likely", it is important to reserve it for situations where a high degree of likelihood exists, without implying absolute certainty. Overuse of "In all probability" when certainty is guaranteed is considered a misusage, and other alternatives should be considered.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
In all likelihood
This phrase is nearly synonymous, providing a slight variation in wording.
Most likely
This is a shorter, more direct way to express a high degree of likelihood.
Very likely
This alternative emphasizes the high degree of likelihood.
Almost certainly
This suggests a near certainty about the outcome.
Likely
A simple and direct synonym indicating a good chance of something happening.
Probably
A common synonym expressing a belief that something will happen.
Presumably
Suggests an assumption based on reasonable evidence, but without absolute proof.
Doubtless
This indicates a lack of doubt or uncertainty.
Chances are
An informal way to express a good possibility of something happening.
It is expected that
This phrase provides a more formal and structured way to express an expectation.
FAQs
How can I use "In all probability" in a sentence?
You can use "In all probability" to express a high likelihood or expectation. For example: "In all probability, the meeting will be postponed." or "In all probability, they will accept our offer."
What phrases are similar to "In all probability"?
Several phrases are similar to "In all probability", including "most likely", "very likely", and "almost certainly". These all express a high degree of likelihood.
Is "In all probability" formal or informal?
"In all probability" is generally considered a neutral to slightly formal phrase, suitable for both professional and academic writing, as well as news reports. Simpler alternatives like "probably" are more informal.
What's the difference between "In all probability" and "In all likelihood"?
"In all probability" and "in all likelihood" are nearly synonymous. The choice between them often comes down to personal preference or stylistic variation. Both phrases express a high degree of possibility or expectation.
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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
90%
Authority and reliability
4.6/5
Expert rating
Real-world application tested