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
thoroughly substantiated
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "thoroughly substantiated" is correct and usable in written English.
You can use it when discussing evidence or arguments that are well-supported and backed by sufficient proof. Example: "The research findings were thoroughly substantiated by multiple studies, demonstrating the effectiveness of the new treatment."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
6 human-written examples
But it has never been thoroughly substantiated, and new research suggests it is little more than pseudoscience.
News & Media
Perhaps discussion with patient and family prompts physicians to consult with colleagues, as especially highly educated patients may demand a thoroughly substantiated discourse, with more than one physician and professional opinion.
Science
If Rudolf did indeed own it, one hypothesis was that he purchased it for 600 ducats from mathematician and occultist John Dee, though this theory has not been thoroughly substantiated.
Encyclopedias
This vigilante action was often based on the idea that "strange", pale-skinned, Vietnamese-looking voters unable to speak Khmer had been issued with temporary election IDs to cast ghost votes for the ruling party – a claim widely believed, but not thoroughly substantiated, by many opposition supporters.
News & Media
One day in late July, Mr. Horowitz reminded the cameras that although the prosecution had brought in detective after detective to prove that the Modesto police had looked for suspects beyond Mr. Peterson, Mr. Geragos kept raising the prospect of vagrants, sex offenders and other possible suspects whose alibis were not thoroughly substantiated.
News & Media
Epidemiological evidence suggests the peptide BCM 7 is a risk factor for development of human diseases, including increased risk of type 1 diabetes and cardiovascular diseases but this has not been thoroughly substantiated by research studies.
Human-verified similar examples from authoritative sources
Similar Expressions
54 human-written examples
A book needs a more substantial and substantiated theme than this.
News & Media
A good business plan should have a substantiated area of growth.
News & Media
Ford's story is mostly substantiated indirectly, but it does have substantiation.
News & Media
Neither is it a substantiated historical generalization.
News & Media
The arguments are well-made and substantiated.
Expert writing Tips
Best practice
Use "thoroughly substantiated" when you want to emphasize that a claim or argument is not just supported, but exceptionally well-supported by evidence and rigorous investigation.
Common error
Avoid using "thoroughly substantiated" if the evidence supporting the claim is preliminary or incomplete. Using it inappropriately can mislead the audience and damage your credibility.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
Adverb modifying a past participle. The phrase "thoroughly substantiated" functions to describe the state of a claim, theory, or finding, emphasizing that it has been proven or supported with a high degree of certainty. As Ludwig AI mentions, the phrase is correct and usable in written English.
Frequent in
News & Media
50%
Science
33%
Encyclopedias
17%
Less common in
Formal & Business
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
The phrase "thoroughly substantiated" is a grammatically sound and useful expression to emphasize that a claim or argument is exceptionally well-supported by evidence. According to Ludwig AI, it is correct and usable in written English. Predominantly found in News & Media, Science, and Encyclopedias, this phrase conveys a sense of validity and reliability. When using this phrase, ensure that the claim truly has robust backing, as overstating the level of proof can damage your credibility. Alternative phrases such as "well-supported by evidence" or "fully corroborated" can also be used depending on the desired nuance.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
well-supported by evidence
Replaces "thoroughly substantiated" with a more direct description of the evidence's role.
fully corroborated
Uses a single word to indicate complete confirmation of the information.
comprehensively validated
Emphasizes the complete validation process, ensuring accuracy.
substantially verified
Focuses on the verification aspect, highlighting the significant confirmation.
amply documented
Highlights the extensive documentation available to support the claims.
solidly backed by research
Specifically refers to research as the foundation of the substantiation.
firmly established
Indicates that the concept or claim is securely and reliably proven.
conclusively proven
Implies that the substantiation has reached a definitive and final state.
rigorously confirmed
Highlights the strict and detailed process of confirming the information.
authentically validated
Emphasizes that the validation process confirms genuineness.
FAQs
What does "thoroughly substantiated" mean?
The phrase "thoroughly substantiated" means that something has been proven or supported with a high degree of certainty, backed by extensive evidence and rigorous verification.
How can I use "thoroughly substantiated" in a sentence?
You can use "thoroughly substantiated" to describe claims, theories, or findings that have been rigorously proven. For example: "The research findings were "well-supported by evidence" and thus, were "thoroughly substantiated".
What are some alternatives to "thoroughly substantiated"?
Alternatives include phrases like "fully corroborated", "amply documented", or "conclusively proven", depending on the specific context and nuance you wish to convey.
When is it appropriate to use "thoroughly substantiated"?
It's appropriate to use "thoroughly substantiated" when you want to emphasize the robustness and reliability of the evidence supporting a claim, indicating it has been extensively vetted and confirmed.
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