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
he defines that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "he defines that" is correct and usable in written English.
It can be used when someone is explaining or clarifying a specific concept or term in a discussion or text. Example: "In his research paper, he defines that the term 'sustainability' refers to the ability to meet present needs without compromising future generations."
✓ Grammatically correct
News & Media
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
3 human-written examples
He defines that kind of result as 'massive impact' which is the kind of impact he likes to have.
News & Media
What's more, von Trier covers his tracks with a flourish of feminist rhetoric to defend Joe's and all women's freedom — even as he defines that freedom strictly in his own terms of constant libertine availability and doesn't grant women the freedom to pursue anything else, not as long as there are men in need.
News & Media
He defines that as cash flow from operations less capital expenditures or, as he once put it, comparing the cash in the register at the beginning of the day against the cash in it at the end of the day.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
How would he define that?
News & Media
In his "Apologia"(1864), he defined that liberalism as the "anti-dogmatic principle".
News & Media
On one reading of Adam Smith's prototypical sentimentalism, although he holds that evaluative judgments concern what emotional response is proper, he then defines that notion dispositionally, in terms of actual rather than merited responses and endorsements.
Science
How does he define that particular alphabetical shift?
News & Media
He defined that less as a time period (ABC's "Lost" plays at 9) than a form: the experimental, breakthrough network show, like "Hill Street Blues," "St.
News & Media
Singletary wants to be an old-school, smash-mouth team - he defined that style as a player - and the Niners upgraded their offensive line in the draft to that end.
News & Media
He defined that as being able to cover costs after the expenditure of capital to build the systems.
News & Media
By example, he defined that it is not solely a matter of who the recipients of coal-fired plants localities are, but how efforts to clean up and move away from coal dependency are conducted.
News & Media
Expert writing Tips
Best practice
Use "he defines that" when you want to emphasize the act of defining something specific and attribute it to a particular person. It's particularly useful when clarifying a term or concept within a specific context.
Common error
Avoid using "he defines that" when the intended meaning is "he defines it as". "Defines that" is suitable when "that" refers to a previously mentioned concept, while "defines it as" is used when providing a definition using specific words.
Source & Trust
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "he defines that" functions as a reporting clause, introducing a definition or explanation provided by a specific individual. It indicates attribution and is used to clarify a concept. As Ludwig AI suggests, it’s grammatically correct and suitable for various contexts.
Frequent in
News & Media
60%
Science
20%
Academia
10%
Less common in
Formal & Business
10%
Reference
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "he defines that" is a grammatically sound phrase used to attribute a specific definition or explanation to an individual. As Ludwig AI confirms, it's suitable for various contexts, particularly in news and media, science, and academic writing. To use it effectively, ensure that the word "that" refers to a previously mentioned concept, and be mindful of the distinction between "he defines that" and "he defines it as". Alternatives such as "he clarifies that" or "he explains that" can provide similar meanings with subtle differences in emphasis.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
he clarifies that
Focuses on making something clearer or easier to understand, slightly emphasizing simplification.
he specifies that
Highlights the act of stating something precisely or explicitly, emphasizing exactness.
he explains that
Indicates a detailed account or reason for something, focusing on providing understanding.
he elucidates that
Implies making something clear and easily understandable, often something complex.
he interprets that
Focuses on explaining the meaning of something, especially something ambiguous.
he characterizes that
Emphasizes describing the distinctive nature or features of something.
he delineates that
Highlights describing or portraying something precisely.
his definition of that is
Restructures the phrase to explicitly mention the definition itself, adding formality.
he construes that
Suggests a particular understanding or interpretation of something, more formal.
according to him, that means
Shifts the focus to attribution, specifying the source of the definition.
FAQs
How can I use "he defines that" in a sentence?
Use "he defines that" to introduce a specific definition provided by someone. For example, "In his book, he defines that success is not just about financial gain, but also about personal fulfillment."
What are some alternatives to "he defines that"?
You can use alternatives such as "he clarifies that", "he specifies that", or "he explains that" depending on the nuance you want to convey.
Is it grammatically correct to say "he defines that"?
Yes, "he defines that" is grammatically correct. It's used to indicate that someone is providing a specific definition or explanation for a concept. Ensure "that" refers to something previously mentioned or understood in the context.
What's the difference between "he defines that" and "he defines it as"?
"He defines that" introduces a definition of a previously mentioned concept. "He defines it as" presents a specific definition using certain words. For example, "He defines that concept of success..." versus "He defines it as a combination of wealth and happiness."
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
87%
Authority and reliability
4.1/5
Expert rating
Real-world application tested