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
poorly substantiated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "poorly substantiated" is correct and usable in written English.
It can be used to describe an argument, claim, or piece of information that lacks sufficient evidence or support. Example: "The report was criticized for its poorly substantiated claims regarding the effectiveness of the new policy."
✓ Grammatically correct
Science
News & Media
Alternative expressions(2)
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
23 human-written examples
Yet the benefits of contrast baths have been poorly substantiated.
Science
Inaccurate and poorly substantiated editorial comments in the paper's introduction compound these methodological problems.
Science
This variability in scarring has competing explanations that are poorly substantiated.
Those poorly substantiated and shaky assertions should — and will — hit bookstores Jan . 5 four days earlier than scheduled.
News & Media
Pouring over those yellowing pages of archival newsprint, I discovered notable examples of blatant bias, misrepresentations of facts and poorly substantiated claims about particulars of acts of violence.
News & Media
Yet another example of a poorly substantiated health threat is the current scare about bisphenol A (BPA), a chemical used to make certain plastics clear and shatterproof.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
37 human-written examples
The poorly known model input parameters are substantiated with comparisons against measured dynamic characteristics of the fort, and the remaining uncertainties in the input parameters are propagated to the model output to obtain a probabilistic evaluation of the fort's behavior under various settlement scenarios.
Science
Claims that daily human exposure to BPA is much higher from unknown sources by poorly defined path-ways are not substantiated.
More robust evidence has substantiated the beneficial effects of adding vildagliptin to patients whose diabetes is poorly controlled by metformin alone.
Science
Brooks instead conjures a poorly-substantiated accusation that Republicans share the Democrats' own overconfident attitude.
News & Media
You would expect him to balance this with an equally poorly-substantiated allegation that Republicans are too reticent in their use of government power.
News & Media
Expert writing Tips
Best practice
When using "poorly substantiated", ensure you can articulate why the evidence is lacking or weak. Providing specific examples strengthens your critique.
Common error
Avoid using "poorly substantiated" when there is no evidence at all. In such cases, phrases like "unsubstantiated" or "without evidence" are more accurate.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "poorly substantiated" functions as an adjective phrase modifying a noun, indicating that something lacks sufficient evidence or support. Ludwig examples showcase its use in academic, news, and general contexts. Ludwig AI agrees that is a correct and usable phrase.
Frequent in
Science
48%
News & Media
44%
Wiki
3%
Less common in
Academia
1%
Encyclopedias
1%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "poorly substantiated" is a common and correct way to describe claims or arguments lacking sufficient evidence, as confirmed by Ludwig AI. Appearing frequently in scientific and news contexts, it serves to express skepticism or criticism regarding the validity of information. While alternatives like "weakly supported" or "inadequately supported" exist, "poorly substantiated" precisely conveys that some evidence exists but is of low quality. Use it judiciously, ensuring you can articulate the specific weaknesses in the supporting evidence to strengthen your critique.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
weakly supported
Focuses on the lack of support rather than the quality of evidence.
inadequately supported
Emphasizes the insufficient amount of support.
insufficiently proven
Highlights the lack of proof or verification.
tenuously argued
Suggests the argument is fragile and easily refuted.
flimsily justified
Implies the justification is weak and unconvincing.
scarcely demonstrated
Emphasizes the minimal evidence shown.
unconvincingly presented
Focuses on the manner of presentation rather than the evidence itself.
unreliably documented
Highlights issues with the documentation or record-keeping.
questionably validated
Suggests validation attempts are doubtful.
doubtfully established
Indicates uncertainty about the establishment of facts.
FAQs
How can I use "poorly substantiated" in a sentence?
You can use "poorly substantiated" to describe claims or arguments that lack sufficient evidence. For example: "The research paper's conclusions were based on "poorly substantiated" data." or "The politician's claims were "poorly substantiated" and widely criticized".
What is a good alternative to "poorly substantiated"?
Alternatives include "weakly supported", "inadequately supported", or "insufficiently proven", depending on the specific nuance you wish to convey.
Is it better to say "poorly substantiated" or "unsubstantiated"?
"Poorly substantiated" implies some evidence exists, but it's weak. "Unsubstantiated" means there's no evidence at all. The best choice depends on the situation.
What does "poorly substantiated" mean in the context of scientific research?
In scientific research, "poorly substantiated" indicates that the findings or conclusions are not adequately supported by the data or methodology used in the study. The claims lack solid evidence to back them up.
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested