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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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completely unproven

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "completely unproven" is correct and usable in written English.
It can be used to describe something that has not been demonstrated or verified in any way, often in discussions about theories, claims, or hypotheses. Example: "The theory remains completely unproven, despite numerous attempts to validate it."

✓ Grammatically correct

News & Media

Science

Academia

Human-verified examples from authoritative sources

Exact Expressions

17 human-written examples

* completely unproven.

News & Media

Independent

Carbon capture and storage (CCS) - completely unproven at commercial scale - offers another alternative.

News & Media

The Guardian

However, such projections are based on completely unproven climate models or, more often, speculation without a reliable scientific basis.

News & Media

The Economist

This is a completely unproven team, thrown together in piecemeal fashion from their USL Pro squad, an expansion draft, free agency and the MLS SuperDraft.

"The case against the mother was completely unproven, but the girl told us her father had urged her to run otherwise she would be killed, too".

News & Media

The Guardian

"Completely unproven assumptions are accepted to achieve a goal -- 'the best interests of the child' -- that itself is arbitrary and indefinable, and for which there are no valid measurements," he said.

News & Media

The New York Times
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Human-verified similar examples from authoritative sources

Similar Expressions

42 human-written examples

"The idea that you're not going to vote for a guy based on something completely subjective and unproven doesn't make sense to me," said Ensberg, who is retired and now broadcasts college baseball games.

"The whole technology is unproven," he said.

News & Media

The New York Times

Unfortunately, all these sites are unproven.

News & Media

Forbes

But we had the experienced and solid opener falling early, the unproven and suspect opener looking completely on top of things, and a below-par number three coming in and doing something stupid in the over before the lunch break.

In the time most car manufacturers make mostly cosmetic changes to existing models that are based on old, proven technology, Tesla brought to market completely new car models with highly complicated, often unproven technology.

News & Media

TechCrunch
Show more...

Expert writing Tips

Best practice

Use "completely unproven" to express a strong lack of evidence or verification, especially when discussing theories, claims, or hypotheses that have not been tested or validated.

Common error

Avoid using "completely unproven" as a synonym for 'false'. It simply means that something lacks evidence, not that it is definitely untrue.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.6/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "completely unproven" functions as an adjective phrase modifying a noun, indicating a lack of evidence or verification. Ludwig AI suggests it is a correct and usable phrase to describe something lacking proof.

Expression frequency: Common

Frequent in

News & Media

41%

Science

21%

Academia

10%

Less common in

Wiki

4%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "completely unproven" is a grammatically correct and commonly used adjective phrase to describe something lacking any evidence or verification. Ludwig AI confirms its acceptability in written English. It is most frequently found in news and media, as well as in scientific and academic contexts. When using this phrase, it is important to ensure that it accurately reflects the situation and to avoid overstating the implications by confusing it with 'false'. Alternative phrases such as "entirely unverified" and "totally unsupported" can be used to express a similar meaning.

FAQs

What does "completely unproven" mean?

The phrase "completely unproven" means that something has no evidence or verification to support it. It indicates a total lack of proof or confirmation.

How can I use "completely unproven" in a sentence?

You can use "completely unproven" to describe a theory, claim, or method that has not been validated or supported by evidence. For example: "The hypothesis remains "completely unproven" despite numerous attempts to test it."

Are there synonyms for "completely unproven"?

Yes, you can use alternatives like "entirely unverified", "totally unsupported", or "absolutely unsubstantiated" depending on the context.

When is it appropriate to use "completely unproven" instead of "unproven"?

Use "completely unproven" when you want to emphasize the total absence of any evidence or verification. "Unproven" alone simply means that something hasn't been proven, but "completely unproven" highlights a more definitive lack of support.

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Source & Trust

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Authority and reliability

4.6/5

Expert rating

Real-world application tested

Most frequent sentences: