has not substantiated

USAGE SUMMARY

The phrase "has not substantiated" is correct and usable in written English.
It can be used when indicating that someone has not provided sufficient evidence or proof to support a claim or assertion. Example: "The researcher has not substantiated her theory with adequate data, leaving many questions unanswered."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

I am sorry to say that the NLA has not substantiated the legal basis for its licence," says Bartlett.

The Guardian

Lewis's camp contended that Tyson bit Lewis on the leg during the melee, but so far it has not substantiated the charge.

The New York Times - Sports

The new United States ambassador to the Netherlands refused on Wednesday to answer questions about his 2015 statement that politicians and cars had been burned by Muslims in the Netherlands, a claim he has not substantiated.

The New York Times

During a visit to Capitol Hill, Vice President Pence repeated Trump's claim that Comey informed him several times that he was "not under investigation". The White House has not substantiated that claim.

The Washington Post

"YummyEarth has not substantiated that Sandoval, or any other individual putative class members, purchased over 8,000 bags of lollipops," Hatter wrote.

Forbes

Uber said last month that it has not substantiated all the claims in the letter — some of which were also withdrawn by Jacobs (who previously reached a financial settlement with Uber).

TechCrunch

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

Therefore, we have not substantiated a food safety violation at this time.

The New York Times

Eimiller, the FBI spokeswoman, said investigators have not substantiated any of those accounts given to news outlets.

The Washington Post

State Department officials disputed the charges, telling a House committee that inspections had not substantiated the worst reported abuses.

The Washington Post

There, too, its findings from a two-year investigation have not substantiated the Bush administration's certainty that the country is secretly working toward nuclear weapons.

The Washington Post

The Foreign Office described the report as "unsubstantiated and irresponsible" and maintained that the authors had not substantiated their claims during meetings with FO officials.

The Guardian

Expert writing Tips

Best practice

When using the phrase "has not substantiated", ensure that you can clearly identify what evidence is lacking. Provide context on why the claim is questionable.

Common error

Avoid using "has not substantiated" when some evidence exists, but is weak. Consider softer phrases like "has not fully proven" or "has not definitively confirmed" instead.

Linguistic Context

The phrase "has not substantiated" functions as a negative assertion, indicating the absence of sufficient evidence to support a claim. As Ludwig AI points out, it is usable in written English. The provided examples across various sources show its use in contexts where claims or allegations lack supporting proof.

Expression frequency: Rare

Frequent in

News & Media

57%

Science

29%

Encyclopedias

14%

Less common in

Formal & Business

0%

Wiki

0%

Academia

0%

Ludwig's WRAP-UP

The phrase "has not substantiated" is a grammatically correct and usable expression to indicate a lack of supporting evidence for a claim. As highlighted by Ludwig AI, it's important to ensure that claims are not overstated when some, albeit weak, evidence exists. Alternative phrases such as ""has not proven"" or ""has not confirmed"" may be more appropriate in certain contexts. The phrase's frequency is rare, with its usage primarily concentrated in news and media, science and encyclopedia articles, emphasizing objectivity and factual accuracy. Use this phrase when you are questioning the validity of a statement.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has not proven

This alternative is more direct and implies a failure to provide conclusive proof.

has not confirmed

This alternative focuses on the lack of verification or validation of a statement or claim.

has not validated

This alternative suggests a failure to establish the correctness or accuracy of something.

has not verified

This alternative emphasizes the absence of a confirmation of truth or fact.

has not authenticated

This alternative indicates the lack of establishing something as genuine.

has not corroborated

This alternative highlights the absence of supporting evidence from an independent source.

has not justified

This alternative suggests that the reasons or grounds for something have not been adequately demonstrated.

has not evidenced

This alternative focuses on the lack of providing proof or indication.

has not demonstrated

This alternative focuses on the absence of a clear exhibition or display of proof.

has not borne out

This alternative, often used in scientific contexts, suggests that the results of an experiment or study have not supported a hypothesis.

FAQs

What does "has not substantiated" mean?

The phrase "has not substantiated" means that someone has not provided enough evidence or proof to support a claim or statement. It implies that the claim is questionable due to a lack of supporting information.

What can I say instead of "has not substantiated"?

You can use alternatives like "has not proven", "has not confirmed", or "has not verified" depending on the context.

How to use "has not substantiated" in a sentence?

Here's an example: "The company claimed the new product was revolutionary, but it has not substantiated this claim with any clinical trials."

What's the difference between "has not substantiated" and ""has not proven""?

While both phrases indicate a lack of evidence, "has not substantiated" suggests a more general absence of supporting details, whereas ""has not proven"" implies a failure to establish something as fact.