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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
impossible to establish
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "impossible to establish" is correct and usable in written English.
You can use it when discussing situations or conditions that cannot be determined or set up. Example: "Due to the lack of evidence, it is impossible to establish a clear timeline of events."
✓ Grammatically correct
Wikipedia
IFAC Proceedings Volumes
Virology
The New Yorker
The Guardian - Arts
The New York Times - Books
The New York Times - Magazine
The New York Times - Health
Encyclopedia Britannica
The New York Times - Sports
The Guardian - Books
The New York Times
The Guardian
The Economist
Independent
Vice
EURASIP Journal on Wireless Communications and Networking
Nanoscale Res Lett
SEP
Genus
Jane Dudley, Duchess of Northumberland
Anne Boleyn
Plosone
BMC Endocrine Disorders
BMC Cancer
BMC Nursing
BMC Family Practice
Cardiovascular Diabetology
BMC Medical Education
Food and Agriculture Organization of the United Nations
BMC Pregnancy and Childbirth
Bioinformatics
BMC Medical Ethics
BMC Medical Research Methodology
Biochemical and Biophysical Research Communications
Critical Care
Genome Biology and Evolution
British Medical Journal
Cell Death and Disease
BMC Nephrology
BMC Geriatrics
BMC Plant Biology
Environmental Health Perspectives
Environmental Health: A Global Access Science Source
Health Research Policy and Systems
British Journal of Cancer
EBioMedicine
European Journal of Clinical Nutrition
Alternative expressions(4)
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
60 human-written examples
None of Amir's works are dated, meaning a definite date is impossible to establish.
Wiki
However, it is difficult, if not impossible, to establish such relations for high-order PLLs.
Science
However, it has been impossible to establish long-range evolutionary relationships as sequence homology diminishes.
Science
(As is often true in such cases, the details may be impossible to establish definitively).
News & Media
If you're a woman, it's almost impossible to establish a relationship.
News & Media
Causality in this matter is impossible to establish, but I think Sugrue is wrong.
News & Media
According to Smith, it's impossible to establish who sold the first box of movie popcorn.
News & Media
And the study is retrospective, so conclusions about causation and correlation are impossible to establish.
News & Media
Since none of Sōtatsu's art was dated, it is impossible to establish a chronology.
Encyclopedias
While it may be impossible to establish a direct link, Anchorage did not succeed.
News & Media
How they relate to actual practice is virtually impossible to establish, but Dabhoiwala will treat them as evidence.
News & Media
Expert writing Tips
Best practice
When using "impossible to establish", ensure that the context clearly indicates the reasons for the impossibility, such as lack of evidence or conflicting information. This adds clarity and strengthens your argument.
Common error
Avoid using "impossible to establish" when the situation only presents significant difficulty, not absolute impossibility. Accurate language enhances credibility.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "impossible to establish" functions as a descriptor, indicating the inability to confirm, prove, or create something. According to Ludwig, the phrase is grammatically correct and frequently encountered across various contexts. It serves to express that something is beyond the realm of determination or substantiation.
Frequent in
Science
35%
News & Media
30%
Wiki
10%
Less common in
Encyclopedias
8%
Formal & Business
7%
Reference
5%
Ludwig's WRAP-UP
In summary, the phrase "impossible to establish" is a grammatically sound expression used to convey the inability to confirm, prove, or create something. Ludwig AI indicates that the expression is correct. It appears frequently in scientific, news, and encyclopedic contexts, highlighting its versatility. While the phrase is best suited for formal writing that calls for objectivity and clarity, writers should be mindful of overstating difficulties as impossibilities. Related alternatives include "cannot be determined", "infeasible to determine", and "not possible to verify".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
cannot be determined
States a lack of possibility in determining something.
not possible to verify
Emphasizes a lack of verifiability.
infeasible to determine
Highlights the impracticality of determining something.
unattainable to ascertain
Emphasizes that ascertaining something is not achievable.
unsubstantiated to confirm
Indicates a lack of evidence to support confirmation.
incapable of being proven
Focuses on the inability to provide evidence or verification.
undemonstrable to prove
Highlights the lack of ability to demonstrate or establish proof.
beyond demonstration
Indicates that something is impossible to show or prove.
difficult to ascertain
Highlights a high level of difficulty in determining something.
unlikely to be resolved
Suggests a low probability of resolution or determination.
FAQs
How can I use "impossible to establish" in a sentence?
You can use "impossible to establish" when referring to something that cannot be determined or proven, such as "Due to conflicting accounts, it is impossible to establish the exact sequence of events."
What are some alternatives to "impossible to establish"?
Alternatives include "cannot be determined", "infeasible to determine", or "not possible to verify", depending on the specific context.
When is it appropriate to use "impossible to establish"?
Use "impossible to establish" when there is a genuine lack of evidence or insurmountable obstacles preventing something from being determined or proven definitively. Make sure that you are not overstating a 'difficulty' as an 'impossibility'.
Is there a difference between "difficult to establish" and "impossible to establish"?
Yes, "difficult to establish" indicates a challenge or obstacle in determining something, while "impossible to establish" means it is completely unattainable or unachievable. Using "impossible to establish" suggests that all avenues of investigation have been exhausted, and finding a definitive answer is not possible.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested