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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
it was improbable that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it was improbable that" is correct and usable in written English.
You can use it when expressing doubt or skepticism about the likelihood of a certain event or situation occurring. Example: "Given the circumstances, it was improbable that they would finish the project on time."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(19)
it was unlikely that
it was doubtful that
it seemed improbable that
it was questionable whether
it was uncertain if
the chances were slim that
it was unbelievable that
it was implausible that
it was plausible that
it was incredible that
it was rare that
it was questionable that
it was unthinkable that
it's improbable that
it was likely that
it was impossible that
it was inconceivable that
it was so improbable that
unlikely that
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
24 human-written examples
Kargbo's lawyers filed another habeas petition, arguing that his ongoing detention had come to seem punitive, since it was improbable that he would be deported anywhere.
News & Media
They also said it was improbable that the American plane would have banked again, given the standard practice of flying straight and level when foreign jets were nearby.
News & Media
The spokesman said it was "improbable" that the European Union would take such measures, even after Foreign Ministers discuss the matter at a meeting on May 25.
News & Media
A recent review of London River (in Variety magazine) claimed it was improbable that Elizabeth and Ousmane's paths would keep crossing in a city as big as London.
News & Media
He said that the authorities were questioning several policemen guarding the bridge in Rawalpindi where the bomb detonated, but that it was improbable that they were involved.
News & Media
In the jargon used to count the steady accumulation of carbon dioxide in the Earth's thin layer of atmosphere, he said it was "improbable" that levels could now be restricted to 650 parts per million (ppm).
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
36 human-written examples
It is improbable that the secessionist appetite has been quashed.
News & Media
It is improbable that granting the injunction will cause substantial harm to defendant.
Academia
It is improbable that the I.I.T.'s will ever regain their old glory.
News & Media
It's improbable that a Japanese company would have fared any better against Yokich.
News & Media
It's improbable that the N. Vietnamese will quickly reduce their armed strength.
News & Media
Expert writing Tips
Best practice
Use "it was improbable that" to express a calculated assessment of unlikelihood, based on available information or past experience. It is stronger than "unlikely" but weaker than "impossible".
Common error
Avoid using "it was improbable that" when the situation is clearly impossible or highly certain. Reserve it for scenarios where there is a reasonable, albeit small, chance of occurrence.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was improbable that" functions as a modal expression, indicating a degree of uncertainty or a low expectation regarding a particular event or statement. Ludwig's examples illustrate its use in various contexts to express skepticism.
Frequent in
News & Media
40%
Science
32%
Wiki
16%
Less common in
Encyclopedias
4%
Academia
4%
Formal & Business
4%
Ludwig's WRAP-UP
In summary, "it was improbable that" serves as a useful tool for expressing a skeptical or doubtful assessment of the likelihood of an event or statement. As Ludwig confirms, its usage is grammatically correct and common across varied contexts, particularly within news media, scientific writing, and encyclopedic entries. Although interchangeable with phrases like "it was unlikely that", "it was improbable that" denotes a stronger degree of reasoned doubt. When wielding this phrase, ensure that the level of improbability aligns with the situation to avoid overstatement, as per the most common writing error.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it was highly unlikely that
Emphasizes the low probability of something happening.
it seemed improbable that
Similar meaning, slightly softens the statement by attributing the improbability to a perception.
it was doubtful that
Focuses on uncertainty or skepticism about a particular outcome.
it was not very likely that
A more explicit and less concise way to express improbability.
it was questionable whether
Introduces an element of doubt about the truth or validity of something.
it was uncertain if
Highlights the lack of certainty surrounding a particular event or situation.
the chances were slim that
An idiomatic expression indicating very low probability.
it was a long shot that
Another idiomatic expression, implying a low chance of success.
it defied expectation that
Emphasizes that something was unexpected or contrary to what was anticipated.
it was against all odds that
Highlights that something happened despite seeming impossible.
FAQs
What does "it was improbable that" mean?
The phrase "it was improbable that" means that something was unlikely to happen or be true, although not impossible. It suggests a low probability based on available evidence or understanding.
How can I use "it was improbable that" in a sentence?
You can use "it was improbable that" to express doubt about a future event or to describe something unexpected. For example, "Given the weather conditions, "it was improbable that" the flight would take off on time."
What's the difference between "it was improbable that" and "it was unlikely that"?
While both phrases suggest something is not expected to happen, "it was improbable that" implies a slightly stronger degree of doubt than "it was unlikely that". Improbable suggests a more reasoned assessment of low possibility.
Are there alternatives to "it was improbable that"?
Yes, you can use phrases like "it was doubtful that", "it was highly unlikely that", or "it seemed improbable that" to convey a similar meaning.
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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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested