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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 clear
Grammar usage guide and real-world examplesAlternative expressions(6)
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
Fabius said: "We are for an agreement, that's clear.
News & Media
Blimp is an anti-Nazi movie, that's clear.
News & Media
One thing that's clear is this campaign is going on.
News & Media
"That we don't agree on everything, that's clear," he said.
News & Media
One thing that's clear: E-texts won't be cheap.
News & Media
That's clear in Bush's manhandling use of Terri Schiavo.
News & Media
That's clear.
News & Media
That's clear, then.
News & Media
That's clear enough.
News & Media
That's clear," he said.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
But, even so, there's a lot that's clear-cut".
News & Media
Expert writing Tips
Best practice
In professional settings, this phrase serves as a concise way to confirm that a directive or policy has been fully grasped.
Common error
Avoid using "That's clear" when you actually mean to describe how an action is performed. For example, use "He speaks clearly" instead of "He speaks clear". The phrase "That's clear" refers to the state of a situation or fact, not the manner of an action.
Source & Trust
94%
Authority and reliability
4.9/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "That's clear" functions primarily as a predicative adjective phrase where the pronoun "that" serves as the subject and "clear" as the subject complement. In Ludwig's database, it is often found as a standalone interjection or a concluding clause used to establish a baseline of shared understanding. The contraction of "that is" makes it efficient and punchy in both spoken and written discourse.
Frequent in
News & Media
85%
Formal & Business
10%
Academia
3%
Less common in
Science
1%
Wiki
0.5%
Social Media
0.5%
Ludwig's WRAP-UP
In conclusion, "That's clear" is a robust and highly frequent linguistic tool used to denote certainty and transparency. As seen in the numerous examples from Ludwig AI, it is a staple of journalistic and professional writing, allowing authors to pivot from an explanation to a conclusion with authority. While it is grammatically simple—a subject-verb-adjective construction—its impact lies in its decisiveness. Whether you are clarifying a policy, interpreting a historical event or simply confirming comprehension in a dialogue, this phrase provides a crisp, unmistakable signal of clarity. For writers looking to vary their prose, alternatives like that's crystal clear or that's obvious can be used depending on the desired intensity and context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
That's crystal clear
Adds an intensifier to indicate that there is absolutely no room for doubt or confusion.
That's obvious
Suggests that the information is easily seen or understood without needing explanation.
That's evident
Slightly more formal, often used when referring to evidence or outward signs.
That's unambiguous
Focuses on the lack of multiple interpretations or vague meanings.
That's plain to see
A more idiomatic and slightly less formal way of expressing high visibility of a fact.
That is apparent
Removes the contraction for a more formal tone and suggests visibility to the senses.
That's unmistakable
Emphasizes that the subject cannot be confused with anything else.
That's self-evident
Implies that the truth of the statement is contained within itself and requires no proof.
That's manifest
Uses a more sophisticated, formal adjective to describe something that is clearly apparent.
That's understood
Shifts the focus from the nature of the information to the recipient's comprehension of it.
FAQs
How do I use "That's clear" in a sentence?
You can use it independently to confirm understanding, or as part of a sentence such as, "The policy change is happening next week; "that's clear" to everyone involved."
What can I say instead of "That's clear"?
Depending on the level of intensity you want, you can use alternatives like "that's obvious", "that's crystal clear" or "that's evident".
Which is correct, "That's clear" or "That's clearly"?
""that's clear"" is a complete thought meaning "That is clear". "That's clearly" is usually an incomplete thought that requires an accompanying verb, such as "That's clearly a mistake".
What is the difference between "That's clear" and "That's understood"?
""that's clear"" focuses on the transparency and lack of ambiguity of the information itself, whereas "that's understood" focuses on the fact that the person has received and processed the information.
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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
94%
Authority and reliability
4.9/5
Expert rating
Real-world application tested