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 is really
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that is really" is correct and usable in written English.
It can be used to emphasize a statement or opinion, often expressing strong feelings or reactions about something. Example: "The movie was fantastic, and that is really saying something considering my high expectations."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(4)
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
A. Doing that is really hard.
News & Media
That is really cool.
News & Media
That is really counterproductive".
News & Media
That is really satisfying".
News & Media
That is really quite hurtful.
News & Media
That is really tough.
Academia
That is really fulfilling.
Academia
"That is really troubling.
News & Media
That is really hard.
News & Media
That is really embarrassing.
News & Media
That is really old".
News & Media
Expert writing Tips
Best practice
Use "that is really" to emphasize a point or express a strong feeling about something, but avoid overuse to maintain impact.
Common error
Avoid relying too heavily on "that is really" in your writing, as it can make your language sound repetitive. Try varying your expressions with alternatives like "that's truly" or "that's genuinely" for a more nuanced effect.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is really" primarily functions as an emphatic expression. It intensifies the adjective or statement that follows, conveying a stronger sentiment or degree, according to Ludwig.
Frequent in
News & Media
70%
Academia
15%
Formal & Business
5%
Less common in
Science
5%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "that is really" is a grammatically sound and versatile phrase used to add emphasis and express feelings or opinions. Ludwig confirms its correctness and wide applicability. While very common across various contexts, especially in news and media, it's advisable to vary your phrasing to avoid repetition. Consider alternatives like "that's truly" or "it is indeed" to refine your writing and maintain impact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's truly
Emphasizes sincerity or genuineness to the same degree.
that's genuinely
Highlights authenticity and lack of pretense.
that truly is
Inverts word order for slightly different emphasis.
that's honestly
Expresses the speaker's candid opinion about something.
it is indeed
Formally confirms something to be the case.
that is seriously
Uses "seriously" to intensify the meaning.
that's quite
Understates emphasis compared to "really".
that's extremely
Uses "extremely" for a heightened sense of degree.
that's incredibly
Emphasizes the unbelievable or astonishing nature.
that's remarkably
Highlights the noteworthy or exceptional character.
FAQs
How can I use "that is really" in a sentence?
Use "that is really" to emphasize a statement or express a strong feeling. For instance, "That is really kind of you to say" or "That is really an impressive achievement".
What are some alternatives to "that is really"?
Alternatives include "that's truly", "that's genuinely", or "it is indeed", depending on the desired tone and level of formality.
Is it grammatically correct to use "that is really"?
Yes, "that is really" is grammatically correct and commonly used in spoken and written English to add emphasis to a statement.
When should I avoid using "that is really"?
Avoid overuse in formal writing, as it can sound too informal. In such contexts, consider more sophisticated alternatives like "it is remarkable" or "that is indeed".
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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