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
it was not certain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it was not certain" is correct and usable in written English.
You can use it when expressing doubt or ambiguity about a situation or outcome. Example: "Although the project was progressing well, it was not certain that we would meet the deadline."
✓ Grammatically correct
News & Media
Science
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
The 2001 Local Crisis Commission was dissolved sometime in 2002 (Andin 2012) when it was not certain that it had fulfilled its terms of reference and without a proper auditing of its accounts.
It was not certain.
News & Media
It was not certain they could.
News & Media
Given the stunned reaction, it was not certain to pass.
News & Media
It was not certain that the veto would be upheld.
News & Media
It was not certain who, or how many officers, had fired on Mr. Todashev.
News & Media
It was not certain whether similar attention was being paid to his paternal lineage.
News & Media
But Bogdan lacked conviction and it was not certain he had the ball under his control.
News & Media
Mr. Thompson said it was not certain that the six to eight W.H.O.
News & Media
Military officials said it was not certain how long the areas would remain closed.
News & Media
Officials said tonight that it was not certain that Mr. Sharon would have time.
News & Media
Expert writing Tips
Best practice
When using "it was not certain", ensure the context clearly indicates what the uncertainty pertains to. Providing specific details about the situation helps avoid ambiguity.
Common error
While acceptable, overuse of "it was not certain" in formal writing can make your tone sound hesitant. Opt for more direct alternatives like "the outcome remained unclear" or "the results were inconclusive" for a stronger impact.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it was not certain" primarily functions as an expression of uncertainty or doubt. According to Ludwig, this phrase is correct and usable in written English. It serves to qualify statements, indicating that the truth or outcome of a situation is not assured.
Frequent in
News & Media
78%
Science
13%
Wiki
3%
Less common in
Formal & Business
2%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "it was not certain" is a grammatically correct and frequently used expression to convey uncertainty or doubt. According to Ludwig, its meaning is clear and consistent across various contexts, primarily in news and media and science. While versatile, it's important to ensure the context clearly specifies the subject of uncertainty. For more formal writing, consider alternatives like "the outcome remained unclear". With its widespread use and clear meaning, "it was not certain" remains a reliable way to express a lack of assurance.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
It wasn't assured
Replaces "certain" with "assured", focusing on the lack of guarantee.
It wasn't definite
Substitutes "certain" with "definite", highlighting the absence of a clear or fixed outcome.
It wasn't clear
Replaces "certain" with "clear", focusing on the lack of clarity or understanding.
It wasn't guaranteed
Substitutes "certain" with "guaranteed", emphasizing the absence of a promise or assurance.
It was doubtful
Uses "doubtful" to express uncertainty about the likelihood of something.
It remained to be seen
Emphasizes that the outcome is still pending and unknown.
The outcome was uncertain
Shifts the focus to the uncertainty of the outcome itself.
It wasn't predictable
Focuses on the inability to foresee or anticipate the result.
The situation was fluid
Highlights the changing and unstable nature of the circumstances.
The matter was up in the air
Emphasizes the unresolved and undecided state of the issue.
FAQs
How can I rephrase "it was not certain" to sound more formal?
For a more formal tone, consider using phrases like "the outcome remained unclear", "the results were inconclusive", or "there was no guarantee" instead of "it was not certain".
What's the difference between "it was not certain" and "it was uncertain"?
The phrases are largely interchangeable. "It was uncertain" is slightly more concise, while "it was not certain" can sometimes add a touch more emphasis to the uncertainty.
Is "it was not certain" grammatically correct?
Yes, "it was not certain" is grammatically correct. It follows standard English sentence structure and is widely used.
What are some informal alternatives to "it was not certain"?
Informal alternatives include phrases like "it wasn't sure", "it was up in the air", or "it was touch and go" depending on the context.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
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