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
is in fact
Grammar usage guide and real-world examplesUSAGE SUMMARY
"is in fact" is a perfectly acceptable phrase in written English and can be used to indicate something that is true.
For example, "The nature of the job is, in fact, quite challenging."
✓ Grammatically correct
News & Media
Encyclopedias
Science
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
He is in fact 68.
News & Media
This is in fact true.
News & Media
"He is in fact unreasonable".
News & Media
He is, in fact, Canadian.
News & Media
It is in fact a Geiger counter.
News & Media
It is in fact a startling change.
News & Media
Which is, in fact, what I am.
News & Media
It is, in fact, almost melancholic.
News & Media
It is in fact Emilio Azcárraga.
News & Media
There is in fact a social dividend.
News & Media
He is in fact the attorney-general.
News & Media
Expert writing Tips
Best practice
Use "is in fact" to clarify or correct a misunderstanding, adding emphasis to the true state of affairs.
Common error
Avoid using "is in fact" when a simple statement of fact suffices. Overusing it can make your writing sound redundant or unnatural.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "is in fact" serves as an adverbial phrase that modifies a verb or clause, emphasizing the truth or reality of the statement being made. As Ludwig AI confirms, this expression is perfectly correct. The phrase often corrects a misconception or highlights a surprising fact.
Frequent in
News & Media
65%
Encyclopedias
10%
Science
10%
Less common in
Formal & Business
5%
Academia
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "is in fact" is a common and grammatically sound way to emphasize the truth of a statement, often correcting a prior misunderstanding. Ludwig AI validates its correctness and widespread applicability. While versatile, it's most frequently found in news and media, encyclopedias, and scientific writing. When using "is in fact", aim for clarity and avoid redundancy to maintain a natural tone. Alternatives like "actually is" or "in reality" can offer a similar effect with slight variations in emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
actually is
This alternative is a more direct way of stating a fact, omitting the intensifier "in fact".
truly is
This alternative emphasizes the genuine nature of something.
as a matter of fact
This alternative introduces a statement that may be surprising or contrary to previous information.
genuinely is
This alternative highlights the authenticity of a statement or situation.
in reality
This alternative focuses on contrasting a perceived situation with the true one.
indeed
This alternative provides a stronger affirmation or confirmation of a statement.
the truth is
This alternative is a direct way of introducing what is factual about something.
to be precise
This alternative introduces a more accurate or detailed version of a previous statement.
by all accounts
This alternative suggests that something is considered factual based on widespread agreement.
veritably is
This alternative, although less common, indicates that something is undoubtedly true.
FAQs
How can I use "is in fact" in a sentence?
Use "is in fact" to emphasize or clarify a statement, often when correcting a misconception. For example, "The meeting isn't tomorrow; it "is in fact" next week".
What can I say instead of "is in fact"?
You can use alternatives like "actually is", "in reality", or "as a matter of fact" depending on the context.
Which is correct, "is in fact" or "is actually"?
Both "is in fact" and "is actually" are correct and can be used interchangeably in many situations. The choice depends on the desired level of emphasis and the specific context.
What is the difference between "is in fact" and "indeed"?
"Is in fact" is often used to clarify or correct something, while "indeed" is used to confirm or emphasize a statement that is already known or expected.
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