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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
that is not possible
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that is not possible" is correct and usable in written English.
You can use it to express that something cannot be done or achieved in a particular situation. Example: "I understand your request, but unfortunately, that is not possible at this time."
✓ Grammatically correct
News & Media
Science
Formal & Business
Wiki
Alternative expressions(2)
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
58 human-written examples
Today, that is not possible.
News & Media
"When they're out in East Hampton, that is not possible".
News & Media
In my respectful submission, that is not possible".
News & Media
But in the current circumstances that is not possible, he says.
News & Media
"It is never about leaving yourself behind – that is not possible.
News & Media
Remark 2.2 yields that is not possible.
Science
Tell me what is possible with the Move that is not possible with the Wiimote?
News & Media
In some countries, that is not possible.
News & Media
From Syria that is not possible; it is a warzone.
News & Media
"No, that is not possible, you can't take them outside now".
News & Media
"That is not possible anymore".
News & Media
Expert writing Tips
Best practice
Use "that is not possible" to firmly and politely decline requests or suggestions that are unfeasible.
Common error
Avoid simply stating "that is not possible" without providing any context or reasoning. Offer alternative solutions or explain the constraints to maintain a constructive conversation.
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is not possible" primarily functions as a declarative statement expressing impossibility or infeasibility. According to Ludwig AI, this phrase is grammatically correct and frequently used to indicate that a particular action, event, or condition cannot occur or be realized. This is confirmed by the numerous examples available.
Frequent in
News & Media
39%
Science
22%
Formal & Business
10%
Less common in
Wiki
8%
Reference
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "that is not possible" is a grammatically sound and frequently used expression to convey impossibility or infeasibility. According to Ludwig AI, its usage spans various contexts, including News & Media, Science, and Formal & Business settings. While it maintains a neutral register suitable for both formal and informal communication, providing context and reasoning when using the phrase is recommended. Related phrases, such as "that cannot be done" or "that's unachievable", offer alternative ways to express a similar sentiment.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
that cannot be done
Replaces 'possible' with 'done', focusing on the action not being able to be completed.
that's unachievable
Substitutes 'possible' with 'achievable', emphasizing the lack of ability to reach a certain goal or outcome.
that's unattainable
Uses 'unattainable' in place of 'not possible', highlighting the impossibility of reaching or obtaining something.
that's infeasible
Replaces 'not possible' with 'infeasible', indicating that the action or plan is impractical or unsuitable.
it's out of the question
Emphasizes a firm rejection or impossibility, suggesting that the idea or action is not worth considering.
that's simply not an option
Focuses on the lack of choice or feasibility, indicating that the proposed action cannot be considered.
that's beyond the realm of possibility
Highlights the extreme unlikelihood or impossibility of the scenario.
it cannot be realized
Focuses on the impossibility of making something real or tangible.
that's just not in the cards
Uses an idiomatic expression to indicate that something is not destined or likely to happen.
that's a dead end
Emphasizes the lack of progress or potential for success in a particular direction.
FAQs
What can I say instead of "that is not possible"?
You can use alternatives like "that cannot be done", "that's unachievable", or "it's out of the question" depending on the context.
Is "that is not possible" formal or informal?
The phrase "that is not possible" is generally considered neutral and can be used in both formal and informal contexts. However, the surrounding language and tone can influence the overall formality.
How to use "that is not possible" in a sentence?
You can use "that is not possible" to express that something cannot be done or achieved, such as, "I understand your request, but unfortunately, "that is not possible" at this time."
What's the difference between "that is not possible" and "that is impossible"?
While similar, "that is not possible" often implies a situational constraint or lack of feasibility, whereas "that is impossible" suggests a fundamental or inherent inability. The phrase "that is impossible" usually describes something that defies the laws of nature or logic.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested