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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
which is not possible
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which is not possible" is correct and usable in written English.
It can be used to indicate that a certain action or situation cannot occur or be achieved. Example: "I would love to attend the meeting, but I have a prior commitment, which is not possible to change."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(17)
which is unlikely
unattainable
infeasible
that is out of the question
which is not good
which is not ideal
which is not standard
which is not true
which is not typical
which is not applicable
which is not feasible
that is false
which is not untrue
that's incorrect
which is not fair
which is not available
which is not accurate
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
Which is not possible.
News & Media
Justice suggests an equilibrium restored, which is not possible.
News & Media
"The important thing is that there be a sharing of benefits, which is not possible under the current system".
News & Media
He also called for the Council of Ministers be able to dissolve the Parliament at the request of the commission, which is not possible now.
News & Media
AL Kennedy, also a Booker judge and Guardian writer, said that asking someone to read 400 books was "more than a book a day, which is not possible.
News & Media
I can basically walk as long as the batteries will allow, which is not possible with some of the other fixed knee solutions.
News & Media
which is not possible.
Science
which is not possible, since ψ is nondecreasing.
but this means that which is not possible.
Science
Castings allow freedom of design, which is not possible with weldments.
This facilitates the decoupling of anti-plane/in-plane motion which is not possible, in general.
Expert writing Tips
Best practice
When using "which is not possible", ensure the preceding clause clearly establishes the context for why something is impossible. This adds clarity and avoids ambiguity.
Common error
Avoid stacking multiple clauses using "which is not possible" in a single sentence. This can create convoluted phrasing and reduce readability. Break down complex ideas into simpler sentences for better comprehension.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which is not possible" functions as a nonrestrictive relative clause, providing additional, non-essential information about a preceding noun or clause. Ludwig confirms this phrase is usable in written English.
Frequent in
Science
48%
News & Media
33%
Formal & Business
5%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "which is not possible" is a grammatically sound and frequently used phrase functioning as a nonrestrictive relative clause. It is effective for expressing impossibility across various domains, particularly in scientific, news, and formal contexts. Ludwig AI validates its correctness and common usage. When writing, ensure the context clarifies why something is impossible and avoid overuse in complex sentences for better readability. Consider alternatives like "unattainable" or "infeasible" for nuanced variations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
which is unattainable
Emphasizes the impossibility of reaching or achieving something.
which is unachievable
Highlights the inability to achieve a specific goal or outcome.
which is infeasible
Focuses on the impracticality or unsuitability of a course of action.
that is out of the question
Expresses a strong rejection or denial of something being considered.
that cannot be done
A simple and direct way of stating the impossibility of an action.
that is not an option
Indicates that a particular choice or alternative is unavailable.
that is beyond the realm of possibility
Emphasizes the extreme unlikelihood or impossibility of something.
that lies outside the bounds of feasibility
Focuses on the limitations and constraints that make something impossible.
that is simply not viable
Implies that something is not practical or sustainable.
that's just not going to happen
An informal way to express the impossibility of an event occurring.
FAQs
How can I use "which is not possible" in a sentence?
Use "which is not possible" to explain why a certain condition or action cannot occur, such as, "Implementing the new system this quarter is resource-intensive, "which is not possible" with our current budget".
What are some alternatives to "which is not possible"?
Alternatives include phrases like "which is unattainable", "which is infeasible", or "that cannot be done", depending on the nuance you want to convey.
Is it grammatically correct to say "which is not possible"?
Yes, it is grammatically correct. The phrase functions as a relative clause, providing additional information about the preceding noun or clause. Ludwig AI confirms that it follows standard English grammar rules.
What is the difference between "which is not possible" and "which is unlikely"?
"Which is not possible" indicates an absolute impossibility, whereas "which is unlikely" suggests a low probability but still within the realm of possibility. Use "which is unlikely" when there's a small chance of something happening, and "which is not possible" when it is entirely unfeasible.
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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