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's certainly true
Grammar usage guide and real-world examplesTable 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
"Well, yes, that's certainly true," Hammill says.
News & Media
Picasso is a passionate believer, that's certainly true.
News & Media
"We have less faith in bankable stars opening movies who are young, that's certainly true.
News & Media
But in the Canadian midwest, that's certainly true.
News & Media
That's certainly true of Henry James's novels, or of James Baldwin's "Giovanni's Room".
News & Media
That's certainly true of Powell's film, an Indian reverie shot entirely at Pinewood Studios near London.
News & Media
That's certainly true of her brother's.
News & Media
Everyone's a critic, they say, and that's certainly true of the food world today.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
Purely from a parent's perspective, that is certainly true.
News & Media
Of Gorbachev that was certainly true.
News & Media
In a strict sense that is certainly true.
News & Media
Expert writing Tips
Best practice
Use "that's certainly true" to express agreement or confirmation when you want to sound confident and assured. It's suitable for both formal and informal contexts.
Common error
Avoid using "that's certainly true" repeatedly in a short span, as it can make your writing sound monotonous. Vary your expressions of agreement to maintain reader engagement.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that's certainly true" functions as an affirmative response, indicating agreement or confirmation with a preceding statement. According to Ludwig, this phrase is typically used to express a sense of certainty and validation.
Frequent in
News & Media
65%
Academia
20%
Formal & Business
15%
Less common in
Science
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "that's certainly true" is a versatile phrase used to express agreement or confirmation across various contexts. Ludwig's analysis of numerous examples from sources such as The New York Times, The Guardian, and academic institutions, shows that it is grammatically correct, commonly used, and suitable for neutral to formal situations. While effective, it's advisable to avoid overuse and consider alternative expressions to maintain engagement. The phrase functions primarily to validate a statement, contributing to clear and agreeable communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
that's definitely the case
Replaces "certainly" with "definitely", emphasizing the assuredness of the statement.
that is indeed correct
Uses "indeed" and "correct" to formally affirm the truth.
that's absolutely right
Emphasizes correctness with "absolutely", indicating strong agreement.
that's undeniably true
Highlights the incontrovertible nature of the statement.
there's no doubt about that
Expresses agreement by asserting the absence of doubt.
that's quite right
Substitutes "certainly" with "quite", suggesting a measured agreement.
that rings true
Indicates that the statement resonates as truthful or authentic.
that much is clear
Expresses agreement by stating the obviousness of the point.
I concur with that
Formally expresses agreement with the preceding statement.
I couldn't agree more
Expresses strong agreement, indicating full alignment with the statement.
FAQs
How can I use "that's certainly true" in a sentence?
You can use "that's certainly true" to express agreement with a statement or idea. For example, "The weather has been unpredictable lately." "That's certainly true; it was sunny yesterday and raining today."
What are some alternatives to "that's certainly true"?
Alternatives include "that's definitely the case", "that is indeed correct", or "that's absolutely right" depending on the context.
Is "that's certainly true" formal or informal?
"That's certainly true" is generally considered neutral and can be used in both formal and informal settings. However, more formal alternatives exist for professional contexts.
When should I avoid using "that's certainly true"?
Avoid using "that's certainly true" when you need to express nuanced agreement or have reservations about the statement. In such cases, a more specific response is appropriate.
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