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
not certain enough
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not certain enough" is correct and usable in written English.
You can use it when expressing a lack of confidence or assurance in a particular situation or statement. Example: "I feel that the evidence presented is not certain enough to draw a definitive conclusion."
✓ Grammatically correct
News & Media
Wiki
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
2 human-written examples
"The fact that the neuroscientist is 'pretty certain' that this doesn't impose pain is, frankly, not certain enough".
News & Media
Reform-minded Republicans, friendlier to Arthur after he endorsed civil service reform, were still not certain enough of his reform credentials to back him over Senator George F. Edmunds of Vermont, who had long favored their cause.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
Hence, it is not certain that enough patients will be available for subgroup analyses.
Science
People who hold this opinion are often unsure about the existence of a higher being, but don't feel certain enough that the existence of a higher being has been disproved.
Wiki
That's not certain, either, but enough agreement has emerged that Rodriguez, a native of what is now the Dominican Republic, was the first non-Indian to settle in New York that Mayor Michael R. Bloomberg signed legislation on Tuesday to co-name Broadway in Rodriguez's honor from 159th Street in Washington Heights to 218th Street in Inwood.
News & Media
The Yankees could test him out in left field during those games, but they are not certain there would be enough time for that.
News & Media
The Palestinians also have reason to pause, because it is not certain that they have enough votes to win in the security council whether or not the US vetoes the request.
News & Media
Charlotte's political track record isn't exactly outstanding, and I'm not certain voters are concerned enough with the rights of sex workers or the laws surrounding British pornography to get that invested in her campaign.
News & Media
Now he said he was not certain that even that was enough margin for safety.
News & Media
"But certainly the agency has every right to say that the scientists are not certain, but they are confident enough that we think that the drafters of the ESA would want the species to be protected".
Science & Research
However, it was not certain that there would be enough snow in Scotland during November so Iceland was chosen as the location to shoot the videos.
Wiki
Expert writing Tips
Best practice
Use "not certain enough" when expressing that the level of certainty is insufficient for making a decision or taking action. For example, "The evidence is "not certain enough" to convict."
Common error
Avoid using "not certain enough" when the situation requires a stronger statement of disbelief or denial. Using it in such cases can weaken your argument. Instead, consider phrases like "definitely false" or "certainly wrong".
Source & Trust
82%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not certain enough" functions as an adjectival phrase modifying a noun or pronoun. It expresses a degree of uncertainty, indicating that the level of certainty is insufficient for a given purpose. Ludwig AI confirms its correctness and usability.
Frequent in
News & Media
50%
Wiki
25%
Science
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "not certain enough" is a grammatically correct and usable expression to convey a lack of sufficient confidence or assurance. While Ludwig AI confirms its validity, its usage is relatively rare, predominantly appearing in news, wiki, and scientific contexts. When writing, remember to use it to express that the level of certainty is insufficient for a specific purpose. Consider alternatives like "not sufficiently sure" or "not quite convinced" to add nuance. Be mindful not to use it when a stronger statement of disbelief is required.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
not sufficiently sure
Replaces "certain enough" with a synonym, emphasizing the lack of sureness.
not quite convinced
Focuses on the lack of complete conviction or belief.
not entirely confident
Highlights a deficit in confidence regarding something.
unsure to a degree
Indicates a level of uncertainty without complete conviction.
lacking complete assurance
Emphasizes the absence of full assurance.
not absolutely positive
Highlights the absence of a completely positive outlook.
somewhat doubtful
Suggests a presence of doubt.
not adequately assured
Focuses on the inadequacy of the assurance.
not fully persuaded
Emphasizes a lack of complete persuasion.
not definite enough
Emphasizes a lack of definiteness.
FAQs
How can I use "not certain enough" in a sentence?
You can use "not certain enough" to express a lack of confidence or assurance. For instance, "I am "not certain enough" to invest in that venture."
What phrases can I use instead of "not certain enough"?
Alternatives include "not sufficiently sure", "not quite convinced", or "not entirely confident", depending on the context.
Is it better to say "not certain enough" or "uncertain"?
"Not certain enough" emphasizes a specific lack of sufficient certainty, whereas "uncertain" is a more general term for lacking sureness. The better choice depends on the specific nuance you want to convey.
What does "not certain enough" imply?
It implies that while there might be some level of belief or information, it doesn't reach the threshold required for confident decision-making or action. It suggests the need for more evidence or assurance.
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
82%
Authority and reliability
4.4/5
Expert rating
Real-world application tested