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
not doable
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "not doable" is correct and usable in written English.
It can be used to indicate that something is impossible or cannot be accomplished. Example: "Given the current resources and time constraints, this project is simply not doable."
✓ Grammatically correct
News & Media
Science
Formal & Business
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
"It's simply not doable.
News & Media
That's not doable.
News & Media
It is not doable.
News & Media
And it's not doable.
News & Media
"It simply is not doable".
News & Media
But it was not doable".
News & Media
Because otherwise it's not doable".
News & Media
"I've reached the conclusion that it's not doable".
News & Media
It's simply not doable logistically any more," Hillenbrand said.
News & Media
That's not to say it is not doable, in time.
News & Media
"For months I thought it was not doable, but I was obsessed," Mr. Russo had said.
News & Media
Expert writing Tips
Best practice
When using "not doable", ensure the context clearly explains why something is impossible or impractical. Providing specific reasons strengthens the statement.
Common error
Avoid using "not doable" as a dismissive statement without providing supporting reasons. Always explain the constraints or limitations that make something unachievable.
Source & Trust
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "not doable" functions as an adjective phrase, modifying a noun or pronoun to describe something as impossible or impractical. Ludwig AI confirms its grammatical correctness and usability.
Frequent in
News & Media
45%
Science
30%
Formal & Business
15%
Less common in
Encyclopedias
5%
Wiki
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "not doable" is a common and grammatically correct phrase used to express that something is impossible or impractical. As Ludwig AI confirms, it appears frequently in news, scientific, and business contexts. While generally acceptable, it's considered relatively informal, and more formal alternatives like "not feasible" or "not achievable" might be preferred in certain settings. When using "not doable", it's best practice to provide context and justification to avoid appearing dismissive. Keep in mind that "not doable" is best suited to contexts where you need to express an idea with clarity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
not feasible
Replaces "doable" with "feasible", indicating practicality or possibility.
not practical
Substitutes "doable" with "practical", focusing on the real-world applicability of something.
not viable
Emphasizes the sustainability and workability of a plan or option.
not achievable
Highlights the impossibility of reaching a particular goal or outcome.
not attainable
Similar to "not achievable", but stresses the difficulty of obtaining something.
out of the question
Indicates that something is completely unacceptable or impossible.
simply impossible
Uses stronger wording for something that is undoubtedly not possible
cannot be done
Expresses the inability to complete a task or action.
beyond the realm of possibility
Indicates something is not possible, achievable, or likely to happen.
unrealistic
Describes something impractical or unlikely to happen in the current conditions.
FAQs
What does "not doable" mean?
The phrase "not doable" means something is impossible or impractical to achieve. It suggests that a task, project, or goal cannot be accomplished due to various constraints or limitations.
How can I use "not doable" in a sentence?
You can use "not doable" to describe tasks or plans that are impossible to execute. For example: "Given the budget cuts, the expansion project is "not doable"."
What are some alternatives to "not doable"?
Alternatives include "not feasible", "not practical", or "impossible". The choice depends on the specific context.
Is "not doable" formal or informal?
"Not doable" is generally considered informal but is acceptable in many contexts. For more formal situations, consider using alternatives like "not feasible" or "not achievable".
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
88%
Authority and reliability
4.6/5
Expert rating
Real-world application tested