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
demonstrated dead
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "demonstrated dead" is not correct and does not convey a clear meaning in written English.
It may be intended to describe something that has been shown to be lifeless or non-functional, but the phrasing is awkward and unclear. Example: "The experiment demonstrated dead cells under the microscope, indicating the effects of the treatment."
⚠ May contain grammatical issues
Alternative expressions(1)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
See? See?" She plugged it into a socket and demonstrated the dead switch.
News & Media
H&E staining and TUNEL assay demonstrated more dead cells and the evident increase in apoptosis proportion in celastrol-treated tumor tissues.
Science
The fitness of this model was well demonstrated by dead-end filtration test, and its general applicability was validated by the filtration performances under varied filtration conditions and using different filter materials.
This demonstrates that dead sperm or substances they liberate can be deleterious to the fertilizing capacity of viable sperm following prolonged exposure.
Science
The large number of people killed, the most on any Friday since May 6, when 36 demonstrators were shot dead, demonstrated the government's rejection of international pressure to end the violence, and a determination to rely exclusively on force to silence the sustained challenge to four decades of Assad family rule.
News & Media
I enjoyed strategically dismembering the spooky space zombies in Dead Space, but Valve, with Left 4 Dead, demonstrated why it is the premier developer of first-person shooters (sorry Id, sorry Bungie).
News & Media
Nonetheless, they remain a serious threat, as the direct hit on an apartment building in Kiryat Malachi on Thursday morning, which left three dead, demonstrated.
News & Media
The results demonstrate that dead-end filtration method enables a reliable measurement of the filtration resistance and its distributions within only 23 min.
We have previously demonstrated that the DEAD-box RNA helicase p68 is an important regulator of gene expression [ 1, 2], whilst other groups have shown that p68 interacts with and coactivates estrogen receptor alpha (ERα) [ 3, 4].
Science
Similar results have been established for the investigation of alive and dead cells (MLE-12 cell line), where dead cells demonstrated significant increase of this peak [ 94].
The current study also demonstrated that estimates of dead space using a recently proposed method [ 2] significantly underestimated actual measured pulmonary dead space.
Science
Expert writing Tips
Best practice
When aiming to express that something has been proven lifeless or non-functional, opt for clearer and more direct alternatives like "proven lifeless" or "shown to be non-functional".
Common error
Avoid using the phrase "demonstrated dead" as it is not a standard or grammatically sound expression in English. It may confuse your audience and weaken your message.
Source & Trust
78%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "demonstrated dead" functions as a verb followed by an adjective, attempting to describe a state of having been shown to be deceased or non-functional. However, it's grammatically unconventional and lacks clarity. Ludwig AI indicates this phrasing is not correct.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, the phrase "demonstrated dead" is grammatically incorrect and not recommended for use. As Ludwig AI confirms, this phrasing is not standard English. More suitable alternatives, such as "proven lifeless" or "shown to be non-functional", should be used to effectively convey the intended meaning. Due to its grammatical issues, this phrase is absent from common and authoritative sources.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
proven lifeless
Focuses on the aspect of being proven to lack life.
shown to be non-functional
Highlights the aspect of being proven unable to perform its intended function.
confirmed deceased
Emphasizes the official confirmation of death.
established as lifeless
Stresses the establishment of a lifeless state.
verified as non-operational
Highlights the verification of something not working.
demonstrated mortality
Focuses on the act of showing mortality.
proven to be defunct
Highlights the state of being no longer in effect or use.
exhibited lifelessness
Focuses on the display of lifeless characteristics.
illustrated death
Emphasizes the depiction of death.
ascertained as expired
Highlights the confirmation of having come to an end.
FAQs
How can I use the idea of "demonstrated dead" in a sentence correctly?
Instead of "demonstrated dead", use more precise phrases like "proven lifeless" or "shown to be non-functional", depending on the context.
What can I say instead of "demonstrated dead"?
You can use alternatives like "proven lifeless", "shown to be non-functional", or "confirmed deceased".
Which is correct, "demonstrated dead" or "proven dead"?
"Proven dead" is generally more grammatically correct and widely understood than "demonstrated dead".
What's the difference between "demonstrated dead" and "proven dead"?
"Proven dead" is a clearer and more common way to express that something has been shown to be dead, while "demonstrated dead" is awkward and not typically used.
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
78%
Authority and reliability
1.5/5
Expert rating
Real-world application tested