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
that's not the case
Grammar usage guide and real-world examplesUSAGE SUMMARY
"that's not the case" is correct and usable in written English.
You can use it to express disagreement, disagreement with a opinion, or to express that something is not the way it was expected or assumed to be. For example, "We thought she would stay another week, but that's not the case."
✓ Grammatically correct
News & Media
Alternative expressions(5)
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
"That's not the case".
News & Media
"That's not the case anymore.
News & Media
That's not the case there.
News & Media
"Clearly that's not the case".
News & Media
That's not the case now".
News & Media
"Here, that's not the case.
News & Media
And that's not the case".
News & Media
Apparently that's not the case.
News & Media
And that's not the case anymore.
News & Media
That's not the case at all.
News & Media
But that's not the case here.
News & Media
Expert writing Tips
Best practice
Use "that's not the case" to politely and directly contradict a statement or correct a misunderstanding. It's suitable for both formal and informal contexts.
Common error
Avoid using "that's not the case" as a standalone argument without providing supporting evidence. Always follow up with an explanation or justification to strengthen your position.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that's not the case" serves as a negation or contradiction of a previous statement. It indicates that a prior assertion is incorrect or does not apply to the current situation. Ludwig AI confirms its direct and usable nature for expressing disagreement.
Frequent in
News & Media
85%
Formal & Business
8%
Science
7%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "that's not the case" is a very common and grammatically correct phrase used to express disagreement or to clarify that a previous statement is incorrect. Ludwig AI confirms its usability and directness. It is widely used across various contexts, particularly in news and media, and offers a straightforward way to correct misconceptions or disputes claims. While acceptable in formal writing, its tone is generally neutral, making it suitable for a wide range of communication scenarios. Alternatives include "that isn't so" or "that's incorrect", depending on the desired level of formality and emphasis.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's simply not true
Adds emphasis to the negation, highlighting the falsity of the statement.
that isn't so
Uses a more direct negation with "isn't" replacing the contracted form.
that's incorrect
Replaces the idiomatic expression with a straightforward statement of inaccuracy.
that's untrue
Emphasizes the lack of truth in a statement.
that's not right
Uses "right" to indicate that something is not accurate or correct.
that's a fallacy
Identifies the statement as a mistaken belief or argument.
that's a misrepresentation
Suggests the statement is an inaccurate portrayal of the facts.
that's a myth
Implies the statement is a widely held but false belief.
the opposite is true
Indicates that the actual situation is the reverse of what was stated.
it is not the reality
Highlights that the statement does not align with the actual state of affairs.
FAQs
How can I use "that's not the case" in a sentence?
You can use "that's not the case" to politely disagree with a statement or correct a misunderstanding. For example: "I thought you were leaving, but "that's not the case"."
What can I say instead of "that's not the case"?
You can use alternatives like "that isn't so", "that's incorrect", or "that's simply not true" depending on the context.
Is it acceptable to use "that's not the case" in formal writing?
Yes, "that's not the case" is acceptable in formal writing, although it can sometimes be replaced with more formal alternatives like "that is not accurate" or "the opposite is true" for a more sophisticated tone.
What's the difference between "that's not the case" and "that's not the point"?
"That's not the case" is used to correct a factual statement, while "that's not the point" is used to redirect the focus of a discussion to the relevant issue.
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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested