lacks substantiation

USAGE SUMMARY

The phrase "lacks substantiation" is correct and usable in written English.
It can be used when discussing claims, arguments, or statements that do not have sufficient evidence or support to be considered valid. Example: "The author's argument lacks substantiation, making it difficult to accept his conclusions."

✓ Grammatically correct

Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy

Encyclopedia Britannica

The New York Times

She Ji: The Journal of Design, Economics, and Innovation

Forbes

Los Angeles Times

The Washington Post

BMC Public Health

Research Policy

Harvard Business Review

Genetics

BMC Pregnancy and Childbirth

Columbia University

The New York Times - Arts

Stanford University

The Guardian

Procedia - Social and Behavioral Sciences

Harvard University

Cognitive Science

Advances in the Bonded Composite Repair of Metallic Aircraft Structure

IFAC-PapersOnLine

The Future of Nuclear Power

Forest Ecosystems

Nature

The New York Times - Books

The Guardian - Opinion

The Guardian - Tech

Human-verified similar examples from authoritative sources

Similar Expressions

60 human-written examples

Little evidence exists on the effects of lipase inhibition on dietary compliance and claims based on this lack substantiation.

Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy

Both depictions, however, lack credible substantiation.

Encyclopedia Britannica

Among the rebuttals was that Kellogg lacked "reasonable substantiation" for promoting Frosted Flakes as a healthy snack food superior to some fruits.

The New York Times

The rational core for making projections suffers from a lack of substantiation.

She Ji: The Journal of Design, Economics, and Innovation

Sometimes the Cohan rule will bail you out, but there are many areas where lack of substantiation is fatal - more than de minimis charitable contributions and meals are examples of that.

Forbes

The memo combines obvious observations with a lack of substantiation for its assertion that "the threat posed by lone wolves and small terrorist cells is more pronounced than in past years". But it's no broadside attack on veterans.

Los Angeles Times

A host of fact-checks and explainers have poked holes in Trump's claims, pointing out that they lack any evidence or substantiation.

The Washington Post

[ 21] Our research builds on previous studies of advertisements and promotional brochures which have found overemphasis on relative statistical measures[ 22, 23], and claims lacking clarity, accuracy, balance and substantiation.

BMC Public Health

These notions have been acclaimed for their general scope yet criticised for their lack of empirical substantiation.

Research Policy

This follows from the fact that the Lanham Act, while prohibiting false representations, says nothing about substantiation or the lack thereof.

Harvard Business Review

Ford's story is mostly substantiated indirectly, but it does have substantiation.

The Washington Post

Expert writing Tips

Best practice

When using "lacks substantiation", provide a brief explanation of why the claim or statement is unsubstantiated. This strengthens your critique and prevents ambiguity.

Common error

Avoid definitively dismissing a claim as entirely false simply because it "lacks substantiation". Instead, frame it as unproven or requiring further evidence. This maintains a more objective and credible tone.

Linguistic Context

The phrase "lacks substantiation" functions as a descriptor, typically modifying a noun (e.g., argument, claim, statement) to indicate that it is not supported by sufficient evidence. According to Ludwig AI, it indicates a need for more evidence.

Expression frequency: Rare

Frequent in

News & Media

34%

Science

31%

Academia

17%

Less common in

Encyclopedias

6%

Formal & Business

6%

Wiki

0%

Ludwig's WRAP-UP

The phrase "lacks substantiation" is a grammatically correct and neutrally-to-formally registered expression used to indicate that a claim or argument is not adequately supported by evidence. While relatively infrequent, as reported by Ludwig AI, it finds use across various domains, including news, science, and academia. When employing this phrase, ensure that the context clearly identifies the specific claim in question and that stating reasons for its deficiency is well explained. Alternatives like "is unsubstantiated" or "is unsupported" offer similar meanings.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is unsubstantiated

Replaces the verb "lacks" with "is" and uses the adjective "unsubstantiated" to describe the claim directly.

is unsupported

Uses "unsupported" to emphasize the absence of backing or justification for a claim.

is without foundation

Emphasizes the absence of a solid basis or groundwork for the statement.

is devoid of evidence

Highlights the complete absence of any supporting proof or data.

is groundless

Indicates that the claim has no rational or factual basis.

is without proof

Similar to 'is without evidence', emphasizing the absence of verifiable facts.

is not corroborated

Suggests that the claim hasn't been confirmed or supported by additional sources.

is questionable

Indicates doubt and uncertainty regarding the validity of the claim.

is built on speculation

Highlights that the statement relies on conjecture rather than concrete evidence.

is merely asserted

Emphasizes that the claim is only stated without any supporting justification.

FAQs

How can I use "lacks substantiation" in a sentence?

You can use "lacks substantiation" to indicate that a claim or argument does not have enough evidence or support. For example: "The author's argument "lacks substantiation", making it difficult to accept his conclusions."

What are some alternatives to "lacks substantiation"?

Alternatives include "is unsubstantiated", "is unsupported", or "is without foundation". The choice depends on the specific nuance you want to convey.

Is it appropriate to use "lacks substantiation" in formal writing?

Yes, "lacks substantiation" is appropriate for formal writing. It is a clear and professional way to express that a claim is not adequately supported by evidence.

What's the difference between saying something "lacks substantiation" and saying it is "false"?

Saying something "lacks substantiation" means there isn't enough evidence to support it, but it doesn't necessarily mean it's false. Saying something is "false" means it has been proven incorrect. A claim that "lacks substantiation" may simply be unproven.