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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
this is not valid
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this is not valid" is correct and usable in written English.
You can use it to indicate that something does not meet the required standards or criteria, often in contexts like rules, regulations, or logical arguments. Example: "The submission you provided is incomplete; therefore, this is not valid for consideration."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(20)
this is incorrect
this is unacceptable
this is not viable
this is not relevant
this is an exception
this does not apply
this is beside the point
this does not hold true
this does not applied
this is not applicable
this is not the case
this is an option
this is an inconvenience
this is an anomaly
the opposite is true
that's not true
it is otherwise
this is not the norm
that's wrong
this isn't the case
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
18 human-written examples
And the extremity of the outburst against it was as if to say: this is not valid.
News & Media
"We totally reject the idea that this is not valid and wonderful," said Roberta Karp, co-chairwoman of the synagogue's Torah committee.
News & Media
Our data indicate this is not valid.
Science
This is not valid for SOS method, as indoor users are not attached to the FAPs all the time.
While energy flows or costs can be already monitored in a production plant, this is not valid for data related to human effort.
Science
The literature demonstrates that this is not valid in any case, but it is up to now the backbone in the design of brittle components.
Human-verified similar examples from authoritative sources
Similar Expressions
42 human-written examples
However, this was not valid for this assignment because the numerical expression did not express the story, but expressed the solution to evaluate the unknown number.
Jansen et al. found out in their experiments that this criteria is not valid anymore in this case[35].
This expression is not valid, since it is true for some relations but false for others.
Encyclopedias
This argument is not valid.
Science
We contend that this assumption is not valid.
Science
Expert writing Tips
Best practice
When using "this is not valid", ensure that you provide a clear explanation of why something is invalid. This adds credibility and prevents misinterpretation.
Common error
Avoid simply stating "this is not valid" without providing context or reasoning. Without a clear explanation, the statement can come across as dismissive or unclear.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this is not valid" functions as a declarative statement expressing that something does not meet the necessary requirements or standards. Ludwig AI confirms this, as shown in the examples where it's used to reject ideas, data, or reasoning.
Frequent in
Science
55%
News & Media
20%
Formal & Business
10%
Less common in
Encyclopedias
5%
Wiki
0%
Social Media
0%
Ludwig's WRAP-UP
In summary, the phrase "this is not valid" is a grammatically sound and frequently used expression to denote that something fails to meet established criteria or standards. Ludwig AI confirms its correctness and usability, noting its prevalent use across diverse domains, including science, news media, and formal business contexts. While alternatives like "this is incorrect" or "this is unacceptable" exist, understanding the specific context is vital for effective communication. Always provide clear justification when using this phrase to avoid ambiguity or misinterpretation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this isn't acceptable
Replaces "valid" with "acceptable", suggesting something fails to meet a standard of approval.
this is incorrect
Uses a more direct term, "incorrect", to state something is wrong or inaccurate.
this isn't applicable
Changes the wording to indicate something does not apply, shifting the focus from validity to relevance.
this is illegitimate
Replaces "valid" with "illegitimate", implying something is unlawful or unauthorized.
this is erroneous
Substitutes "valid" with "erroneous", emphasizing the presence of errors or mistakes.
this is unfounded
Indicates something lacks a solid basis or justification, rather than being strictly invalid.
this has no basis
Similar to "unfounded", but using slightly different phrasing to indicate a lack of foundation.
this doesn't hold
Uses an idiomatic expression to convey that something is not true or does not remain consistent.
this is null and void
Emphasizes that something has no legal effect or is completely invalid, often used in legal contexts.
this is unsustainable
Changes the meaning to indicate that something cannot be maintained or continued, rather than being invalid.
FAQs
When is it appropriate to use "this is not valid"?
Use "this is not valid" when something fails to meet required standards, criteria, or rules. It's appropriate in formal and informal settings to indicate that something is incorrect or unacceptable.
What can I say instead of "this is not valid"?
You can use alternatives like "this is incorrect", "this is unacceptable", or "this is inapplicable" depending on the specific context.
How does "this is not valid" differ from "this is wrong"?
"This is not valid" typically implies a failure to meet specific criteria or standards, while "this is wrong" is a more general term indicating an error or mistake. "This is not valid" might be used when referring to a legal argument or a scientific result, while "this is wrong" can apply in a broader range of situations.
Is "this isn't valid" grammatically correct?
Yes, "this isn't valid" is a grammatically correct contraction of "this is not valid". Both phrases are acceptable and convey the same meaning.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested