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
that cannot be substantiated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'that cannot be substantiated' is correct and usable in written English.
It can be used to indicate that some statement or claim cannot be backed up with evidence or facts. For example: "His claim that he invented the wheel is not one that can be substantiated."
✓ Grammatically correct
News & Media
Science
Wiki
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
9 human-written examples
Hearsay evidence that cannot be substantiated when challenged in court.
News & Media
The best stories end and then they haunt us; they leave something of themselves that cannot be substantiated or monetised.
News & Media
The commission's revised "Green Guides," last updated in 1998, warn marketers against using labels that make broad claims that cannot be substantiated, like "eco-friendly".
News & Media
Information regarding less exact threats or intelligence that cannot be substantiated is now relayed privately to law enforcement agencies or, in some cases, to industries or local governments in areas affected by the threat.
News & Media
The Coors Light campaign's fanciful superlative of "world's most refreshing beer" is what is known in the advertising industry as puffery, a subjective claim that cannot be substantiated because of its broadness.
News & Media
Through the course of the civil war, the Syrian government and the rebel opposition have proved adept at manipulating social media to implicate each other in atrocities, trading accusations that cannot be substantiated.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
The authors' interpretation of these findings was that this is most likely related to laterality in horses and riders, but this cannot be substantiated based on the current data.
Similar processes could occur in these sediments, but without measurements of microbial sulfate reduction rates, iron-reducing bacteria populations or activities or bioirrigation intensities, this cannot be substantiated.
Science
The trend towards a significant relationship between visual loss and heavy alcohol intake suggests a weaker causal relationship between levels of alcohol consumption and visual failure, but this cannot be substantiated at present.
Science
But the vast majority of the complaints submitted by alleged victims of racial abuse have been rejected, because the police themselves have ruled either that they are untrue, or that they cannot be substantiated.
News & Media
He wrote that the allegations "cannot be substantiated" and there was "no requirements for further information" unless new additional information was forthcoming.
News & Media
Expert writing Tips
Best practice
When using the phrase "that cannot be substantiated", ensure you clearly explain why the information lacks support, providing context for the reader to understand the limitations.
Common error
Avoid using "that cannot be substantiated" to definitively discredit a claim. Instead, acknowledge the lack of evidence without dismissing the possibility entirely.
Source & Trust
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that cannot be substantiated" functions as a relative clause modifying a noun or noun phrase. It indicates a lack of verifiable evidence or support for the preceding claim or statement. Ludwig AI confirms this usage is grammatically sound and acceptable.
Frequent in
News & Media
40%
Science
38%
Wiki
14%
Less common in
Encyclopedias
4%
Formal & Business
4%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "that cannot be substantiated" is a grammatically sound relative clause used to express a lack of verifiable evidence or support for a claim. Ludwig AI indicates that this phrase is correct and suitable for use in written English. While primarily found in News & Media and Scientific sources, it also appears in Wiki and other contexts. When employing this phrase, ensure you provide context for why the information lacks support, and avoid definitively discrediting claims based solely on the absence of substantiation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that is unsubstantiated
Uses the adjective form of the verb, directly stating that something has not been substantiated.
that cannot be verified
Replaces 'substantiated' with 'verified', indicating a lack of confirmation of truth or accuracy.
that is not verifiable
Similar to "that cannot be verified", focusing on the impossibility of verifying the information.
that cannot be proven
Substitutes 'substantiated' with 'proven', suggesting an inability to demonstrate the truth beyond doubt.
that lacks evidence
Focuses on the absence of supporting evidence rather than the action of substantiating.
that is unsupported
Emphasizes the lack of support or backing for the statement or claim.
that is unconfirmed
Highlights the absence of confirmation or validation of the information.
that has no basis
Indicates that the statement or claim has no foundation or justification.
that is groundless
Implies the absence of any reasonable grounds or justification for the claim.
that defies validation
Suggests that the statement or claim resists attempts to validate or confirm its accuracy.
FAQs
What does "that cannot be substantiated" mean?
It means that a claim or statement lacks evidence or proof to support its validity or truthfulness.
How can I use "that cannot be substantiated" in a sentence?
You might say, "The rumor that the company is going bankrupt is "that cannot be substantiated" by any official documents."
What are some alternatives to "that cannot be substantiated"?
You can use alternatives like "that cannot be proven", "that lacks evidence", or "that is unsupported".
When is it appropriate to use the phrase "that cannot be substantiated"?
It's appropriate when discussing claims, allegations, or pieces of information for which there is insufficient evidence or proof to confirm their accuracy or validity.
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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
86%
Authority and reliability
4.1/5
Expert rating
Real-world application tested