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
which is not true
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "which is not true" is correct and usable in written English.
You can use this phrase when you are pointing out something false or improbable. For example: "She said she had seen a unicorn, which is not true."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
57 human-written examples
Which is not true".
News & Media
People think I'm tough, which is not true.
News & Media
Rodriguez said, "Everyone got booed," which is not true.
News & Media
Victims sometimes emitted a deathly stench, which is not true of plague victims today.
News & Media
"People have concerns we won't be teaching English as much, which is not true.
News & Media
They're like found objects, relics of time lost, which is not true of every old photograph.
News & Media
There is also the assumption that each drive is an independent event, which is not true.
News & Media
"They want to show that they are part of Abyei, which is not true," he added.
News & Media
Some believe I just write film scores, which is not true.
News & Media
There is this mania that we can't afford things, which is not true.
News & Media
But at least it's there, which is not true of the Winter Games'.
News & Media
Expert writing Tips
Best practice
When using "which is not true", ensure the "which" clearly refers to a specific statement or idea to avoid ambiguity. For example, clarify the antecedent if necessary.
Common error
Avoid using "which is not true" without a clear referent. For instance, instead of saying, "He claimed to be an expert, which is not true", specify: "He claimed to be an expert, which is not true based on his demonstrated knowledge."
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "which is not true" functions as a relative clause that serves to negate or contradict a preceding statement. This is confirmed by Ludwig and evident in examples like "Everyone got booed, which is not true."
Frequent in
News & Media
40%
Science
30%
Encyclopedias
10%
Less common in
Formal & Business
5%
Wiki
5%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "which is not true" is a versatile relative clause used to negate or contradict preceding statements. Ludwig AI analysis confirms its grammatical correctness and frequent use across varied contexts, particularly in news, science, and encyclopedic sources. While generally neutral, it's essential to ensure clarity by providing a specific referent for "which" and supporting the negation with evidence. Alternatives like "that is false" or "that's incorrect" can offer nuanced substitutes. When writing, avoid vague references and support your contradiction with reasoning. Overall, it is a strong way to make things crystal clear.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's incorrect
Directly states that something is wrong.
that is false
Uses "false" instead of "true" to negate the statement.
that's inaccurate
Indicates that something contains errors or is not precise.
that's a lie
Implies a deliberate falsehood.
it's a misconception
Highlights the statement as a commonly held but incorrect belief.
it's simply not the case
Emphasizes that the statement is not accurate in reality.
that's not the reality
Focuses on contrasting the statement with the actual state of affairs.
that's far from the truth
Suggests a significant divergence from reality.
it isn't so
A more formal and emphatic way to deny a statement.
that's a fallacy
Identifies the statement as a flawed or deceptive argument.
FAQs
How can I use "which is not true" in a sentence?
Use "which is not true" to negate a previous statement or correct a misconception. For example: "The report suggested a market increase, "which is not true", given the recent economic downturn."
What are some alternatives to saying "which is not true"?
You can use alternatives like "that is false", "that's incorrect", or "it's a misconception" depending on the context.
Is it always necessary to provide evidence after stating "which is not true"?
While not always mandatory, providing evidence or a reason after stating ""which is not true"" strengthens your argument and makes your correction more convincing. For instance: "The data suggests X, "which is not true", as shown by these conflicting findings."
What's the difference between "which is not true" and "that is not true"?
The difference is subtle. "Which is not true" often refers back to a specific clause or statement in the sentence, while "that is not true" can stand alone or refer to a more general concept. Both are grammatically correct and largely interchangeable.
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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested