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 really is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that really is" is correct and usable in written English.
It can be used to emphasize the truth or significance of a statement or situation. Example: "The view from the top of the mountain, that really is breathtaking."
✓ Grammatically correct
News & Media
Academia
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
And that, really, is all.
News & Media
And that, really, is the problem.
News & Media
"That really is nothing.
News & Media
That really is sacrilege.
News & Media
Now that really is demeaning.
News & Media
That really is it.
News & Media
"That really is lame".
News & Media
That really is magic.
News & Media
That really is suspicious.
News & Media
That really is surreal.
News & Media
That really is ludicrous.
News & Media
Expert writing Tips
Best practice
Vary your language by using synonyms like "that truly is" or "that certainly is" to avoid repetition and maintain reader engagement.
Common error
Avoid using "that really is" excessively in your writing, as it can make your tone sound repetitive or insincere. Balance its use with other emphasizing phrases for a more natural and impactful effect.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that really is" functions as an emphatic affirmation or confirmation. It strengthens the statement it precedes, indicating agreement, surprise, or conviction. Ludwig AI confirms its proper grammatical structure.
Frequent in
News & Media
75%
Academia
15%
Formal & Business
5%
Less common in
Science
2%
Wiki
2%
Reference
1%
Ludwig's WRAP-UP
In summary, "that really is" is a versatile phrase used to add emphasis or agreement to a statement. Ludwig AI validates that it's grammatically sound and commonly used in both formal and informal contexts, particularly in news and media. While it's prevalent, varying your language with synonyms like "that truly is" or "that certainly is" can enrich your writing and prevent redundancy. Avoid overuse to maintain the impact and sincerity of your message. Remember that, while versatile, choosing stronger verbs is beneficial to prevent repetitive language and to enhance the clarity and the appeal of your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that truly is
Replaces "really" with "truly", offering a more formal tone but maintaining the same meaning.
that certainly is
Substitutes "really" with "certainly", implying a higher degree of confidence or assurance.
that definitely is
Uses "definitely" instead of "really" to express a strong affirmation.
that indeed is
Replaces "really" with "indeed", lending a slightly more formal and emphatic tone.
that absolutely is
Uses "absolutely" to intensify the affirmation, suggesting complete agreement.
that genuinely is
Changes "really" with "genuinely" suggesting sincerity and authenticity.
that actually is
Replaces "really" with "actually", potentially implying surprise or clarification.
that in fact is
Uses "in fact" instead of "really" to introduce a statement of truth or reality.
that veritably is
Replaces "really" with "veritably", providing a more archaic tone.
that honestly is
Changes "really" with "honestly" to add a nuance of sincerity.
FAQs
How can I use "that really is" in a sentence?
Use "that really is" to emphasize a statement or express agreement. For example, "The performance was outstanding; "that really is" the best I've ever seen".
What's a more formal alternative to "that really is"?
A more formal alternative to "that really is" is "that truly is" or "that certainly is". These options maintain a similar meaning but add a touch of formality appropriate for professional writing.
Is it ever incorrect to use "that really is"?
While grammatically correct, overusing "that really is" can weaken your writing. Be mindful of the context and consider alternatives to prevent repetition.
What is the difference between "that really is" and "that is really"?
The phrase "that really is" emphasizes the truth or validity of a statement. "That is really" is grammatical, but less impactful. For example, saying "That is really something" places emphasis on "something" instead of the entire statement.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested