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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 false
Grammar usage guide and real-world examplesUSAGE SUMMARY
The sentence "This is false" is correct and can be used in written English.
You can use it to refute a statement or bring attention to a falsehood. For example, "The president said that the unemployment rate has dropped to 4%. This is false; it is actually still 8%."
✓ Grammatically correct
News & Media
Academia
Science
Alternative expressions(20)
incorrect
this is incorrect
this is inappropriate
this is improper
this is sage
this is fatuous
this is good
this is healthy
this is frontal
this is nonsense
this is great
this is common
this is wrong
this is detrimental
this is unacceptable
this is not the case
this is a mistake
this is incongruous
This is a bullshiting
this is deceptive
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
30 human-written examples
This is false history.
News & Media
Clearly this is false.
News & Media
This is false.
Academia
This is false logic.
News & Media
This is false and facile.
News & Media
This is false, experts say.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
30 human-written examples
(This was false).
News & Media
Suppose this was false.
Academia
This was false, of course.
News & Media
(Steinmetz told me that this was false).
News & Media
Ryan subsequently stated that this was false.
Wiki
Expert writing Tips
Best practice
Consider the audience and the situation when using "This is false", it can be considered blunt. Using a more polite form of disagreement can sometimes be more effective.
Common error
Avoid using "This is false" repeatedly in a short span. Vary your language with alternatives like "That's incorrect" or "That's a misconception" to maintain a more engaging tone.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "This is false" serves as a declarative statement to contradict or refute a preceding claim or statement. As Ludwig AI indicates, it's a direct way to indicate that something is not true. It's used to express disagreement and to correct misinformation.
Frequent in
News & Media
40%
Academia
30%
Science
20%
Less common in
Wiki
5%
Formal & Business
3%
Reference
2%
Ludwig's WRAP-UP
In summary, "This is false" is a grammatically correct and commonly used phrase to directly refute a statement. Ludwig AI confirms its acceptability in written English. While its directness can be effective, it's important to consider the context and audience, as more nuanced alternatives might be preferable in certain situations. The phrase appears most frequently in news and media, academic, and scientific contexts and is a straightforward way to dispute a claim and correct misinformation.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
That's not true
Directly contradicts a statement, indicating it is factually incorrect.
That's incorrect
Indicates an error or inaccuracy in a statement or information.
That's demonstrably false
Highlights that the statement's falsity can be proven or shown with evidence.
That's a lie
Implies intentional deception, suggesting the statement is deliberately untrue.
That's simply not the case
Emphasizes that the statement is not aligned with reality or the actual situation.
That's a misconception
Identifies the statement as a common but inaccurate belief or understanding.
That's a fallacy
Points out a flaw in reasoning or logic within the statement.
The premise is flawed
Challenges the underlying assumption or foundation upon which the statement is based.
That's unsubstantiated
Suggests the statement lacks supporting evidence or proof.
That's a fabrication
Indicates the statement is invented or made up, often with a negative connotation.
FAQs
How can I use "This is false" in a sentence?
You can use "This is false" to directly contradict a statement that you believe to be untrue. For example, "The report claims that sales increased by 20%. This is false; sales actually decreased by 5%."
What's a more polite way to say "This is false"?
If you want to be less direct, you could use phrases like "That's not entirely accurate", "That's a misconception", or "That's "incorrect"".
Is it ever inappropriate to use the phrase "This is false"?
While generally acceptable, using "This is false" might be perceived as rude or aggressive in certain contexts, especially in formal or professional settings. Consider the audience and the specific situation before using it.
What is the difference between "This is false" and "This is misleading"?
"This is false" indicates a direct untruth, while "This is misleading" suggests that while not necessarily untrue, the statement is presented in a way that could lead to an incorrect conclusion.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested