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
but demonstrably
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "but demonstrably" is correct and usable in written English.
It can be used to emphasize that something is clearly or obviously proven or shown to be true. Example: "The theory is interesting, but demonstrably flawed in its assumptions."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(3)
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
24 human-written examples
After two long years, the government not only appears duplicitous, but demonstrably out of its depth.
News & Media
Secondly, it must not be merely "technically" independent, but demonstrably so.
News & Media
(There are anomalies, numerically small but demonstrably generous niche audiences like WAMU's bluegrass fans).
News & Media
Q: Why is it important to ensure that elections are not only well run and fair but demonstrably so?
To several readers that struggle is, regrettably but demonstrably and historically in the case of many women, concomitant with anorexia.
News & Media
Tides also funds antiwar, civil-rights, and pro-choice organizations, but demonstrably not with any Heinz money.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
36 human-written examples
Supra team member Oscar Candon was born in Montpellier, France, and raised in Europe and the States, he doesn't belong to one place but the world, which is hippy nonsense but also demonstrably true in this case.
News & Media
This presumption isn't merely depressing, but also demonstrably false.
News & Media
By far the harder cases are those many jobs for which beauty is not explicitly required but merely — demonstrably — advantageous.
News & Media
But, although demonstrably willing to innovate, Mr Veltroni has none of Mr Obama's inspiring rhetorical skills.
News & Media
These are perforce going to be older, but also demonstrably infertile and therefore much less likely to get pregnant.
News & Media
Expert writing Tips
Best practice
Use "but demonstrably" to clearly highlight a contrast while emphasizing that the opposing point is easily proven or shown. This adds weight to your argument.
Common error
Avoid using "but demonstrably" in very casual or informal writing. While grammatically correct, it can sound overly formal or stilted in everyday conversation. Opt for simpler alternatives like "but clearly" or "but obviously" in those situations.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "but demonstrably" functions as a conjunction phrase used to introduce a contrasting element that is supported by evidence or proof. As Ludwig AI confirms, this construction is grammatically sound and serves to strengthen the validity of the claim.
Frequent in
News & Media
40%
Academia
30%
Science
20%
Less common in
Formal & Business
5%
Encyclopedias
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "but demonstrably" is a grammatically sound phrase used to introduce a contrasting point that is supported by evidence. As Ludwig AI states, it’s best used in neutral to formal contexts, such as news reports, academic papers, or professional communications, where clarity and proof are important. While alternatives like "but clearly" or "but evidently" exist, "but demonstrably" emphasizes the provable nature of the contrast. It's a valuable tool for strengthening arguments and convincing audiences of a claim's validity, but it should be used judiciously to avoid sounding overly formal in casual settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
yet demonstrably
Replaces "but" with "yet", maintaining the contrasting meaning while keeping the emphasis on evidence.
however, demonstrably
Uses "however" instead of "but" to introduce the contrasting element, slightly increasing formality.
though demonstrably
Substitutes "but" with "though", creating a slightly more concessive tone.
although demonstrably
Similar to "though demonstrably", but slightly more formal.
but evidently
Replaces "demonstrably" with "evidently", suggesting a more apparent rather than proven contrast.
but clearly
Uses "clearly" instead of "demonstrably" to indicate an obvious contrast.
but verifiably
Emphasizes that the contrasting element can be verified, similar to "demonstrably".
but provably
Highlights that the contrasting element can be proven.
in contrast, demonstrably
Adds "in contrast" for emphasis, making the contrasting relationship more explicit.
on the other hand, demonstrably
Introduces the contrasting element with "on the other hand", providing a clearer separation between the ideas.
FAQs
How to use "but demonstrably" in a sentence?
Use "but demonstrably" to introduce a contrasting point that you can prove or show to be true. For example, "The initial data seemed promising, but demonstrably flawed upon closer inspection."
What can I say instead of "but demonstrably"?
You can use alternatives like "but clearly", "but evidently", or "yet demonstrably", depending on the specific nuance you want to convey.
Which is correct, "but demonstrably" or "however demonstrably"?
"But demonstrably" and "however demonstrably" are both grammatically correct, but "but demonstrably" is more concise and common. "However demonstrably" is more formal and might be suitable for academic or professional writing.
What's the difference between "but demonstrably" and "but verifiably"?
While both "but demonstrably" and "but verifiably" indicate a contrast supported by evidence, "demonstrably" emphasizes that something has been shown or proven, while "verifiably" stresses that it can be verified, even if it hasn't been explicitly demonstrated. They are very similar, but the nuance differs slightly.
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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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested