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 quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

MitStanfordHarvardAustralian Nationa UniversityNanyangOxford

to define that

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "to define that" is correct and usable in written English.
You can use it to introduce a definition of something or to explain why something is important. For example: "It is important to define that the research methods used must be ethical in order to protect the rights of research participants."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

56 human-written examples

They refused to define that phrase.

News & Media

The New York Times

Although he subsequently declined to define that amount.

News & Media

The New York Times

To define that strategy, we must make decisions based not on fear, but hard-earned wisdom.

News & Media

The Guardian

Asked to define that job, Jones replied, "Ending the Taliban as a credible threat".

News & Media

The New Yorker

Asked to define that phrase, Thomas said: "Give it your all on every single play.

And if Mike's questions generate more opportunities and more timely opportunities to define that direction, great.

News & Media

The New York Times

"The courts have held that the words used in the lease to define that right are significant," Mr. Luxemburg said.

News & Media

The New York Times

That was her secret - she was a creator of atmosphere.' But to define that atmosphere is less straightforward.

The role of a national theatre is not to define that, but to throw open questions – to undefine it".

News & Media

The Guardian

Which raises a key question: Who was to decide how, precisely, to define that "legitimate sphere of state sovereignty"?

And to define that strategy, we have to make decisions based not on fear, but on hard-earned wisdom.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

Use "to define that" when you want to introduce a formal definition or clarify a specific concept. Ensure the definition is precise and unambiguous.

Common error

Avoid using "to define that" followed by a vague or overly general explanation. The phrase implies precision, so the definition should be correspondingly specific.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "to define that" primarily functions as an infinitive phrase used to introduce a definition or clarification. As Ludwig AI indicates, it serves to specify or explain something, emphasizing precision. The examples in Ludwig show it is often followed by a particular job, phrase, strategy, or term that requires precise explanation.

Expression frequency: Common

Frequent in

News & Media

55%

Science

15%

Wiki

10%

Less common in

Formal & Business

10%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "to define that" is a grammatically correct and commonly used infinitive phrase employed to introduce definitions or clarifications. As Ludwig AI confirms, it serves to specify or explain something, emphasizing precision, with occurrences spanning news, science, and wiki contexts. While alternatives like "to clarify that" and "to explain that" exist, "to define that" is best suited when a formal, unambiguous definition is required. A key writing tip is to follow it with a specific explanation, avoiding vague or overly broad statements. It's a versatile phrase, readily found in academic, professional, and neutral registers, making it a valuable tool for clear communication.

FAQs

How do I use "to define that" in a sentence?

You can use "to define that" to introduce a definition or clarification, such as: "It is important "to define that" term before proceeding further."

What are some alternatives to "to define that"?

Alternatives include "to clarify that", "to explain that", or "to specify that" depending on the context.

Is it always necessary to use "to define that" when introducing a definition?

No, it's not always necessary. You can also directly state the definition. "To define that" is useful when you want to emphasize the act of defining something.

What is the difference between "to define that" and "to describe that"?

"To define that" implies providing a precise meaning or scope, while "to describe that" involves giving a detailed account or impression without necessarily setting strict boundaries.

ChatGPT power + Grammarly precisionChatGPT power + Grammarly precision
ChatGPT + Grammarly

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.

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: