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
apply that
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "apply that" is correct and usable in written English.
You can use it when referring to implementing or putting into practice a specific idea, rule, or concept that has been previously mentioned. Example: "If you understand the theory, you should be able to apply that in your project."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
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
58 human-written examples
You apply that knowledge.
News & Media
We don't apply that standard to children".
News & Media
You can apply that rhetorical device to anything.
News & Media
Young: I tend to apply that word to myself.
News & Media
Yet how to apply that therapy deliberately remains unclear.
News & Media
But can you apply that approach to a fashion line?
News & Media
It was only natural that we would apply that same logic to Iraq.
News & Media
I apply that same mentality to politics.
Science & Research
We apply that idea in our research.
Science
We wanted to apply that spirit to the digital context".
News & Media
It's easy to apply that same logic to the workplace.
News & Media
Expert writing Tips
Best practice
When using "apply that", ensure that the 'that' clearly refers to a previously mentioned concept or method to avoid ambiguity.
Common error
Avoid using "apply that" if the context doesn't immediately make it clear what 'that' refers to. Replace 'that' with a more specific noun or phrase to improve clarity.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "apply that" functions primarily as a verb phrase with a demonstrative pronoun. It calls for the implementation or use of something previously mentioned or understood. Ludwig AI confirms its correct and frequent usage, as shown in various examples.
Frequent in
News & Media
63%
Science
21%
Wiki
8%
Less common in
Formal & Business
3%
Reference
3%
Encyclopedias
2%
Ludwig's WRAP-UP
In summary, the phrase "apply that" is a common and grammatically correct way to suggest the implementation of a previously mentioned concept or idea. As Ludwig AI confirms, it's widely used across various contexts, especially in news and media. To ensure clarity, it's best to use "apply that" when the reference is immediately clear. Consider alternatives like "implement that" or "utilize that" depending on the desired nuance. When writing, avoid ambiguity by ensuring the 'that' clearly points to the intended subject.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
implement that
Focuses more on the execution and putting something into effect.
put that into practice
Directly conveys the idea of taking something from theory to practical application.
utilize that
Emphasizes the practical use of something for a specific purpose.
employ that
Suggests using something as a means to achieve a particular end.
exercise that
Highlights the act of putting a skill, right, or quality into practice.
execute that
Stresses the performance and carrying out of a plan or instruction.
translate that
Implies converting something into a more understandable or usable form.
adapt that
Indicates modifying something to suit a new purpose or condition.
operationalize that
Focuses on making something ready for practical use or implementation, often in a technical context.
bring that to bear
Suggests applying influence or pressure to achieve a specific result.
FAQs
How can I use "apply that" in a sentence?
Use "apply that" when you want to indicate the implementation of a previously mentioned idea, method, or concept. For example, "If you understand the theory, you should be able to "apply that" in your project".
What are some alternatives to "apply that"?
You can use alternatives like "implement that", "utilize that", or "put that into practice" depending on the specific nuance you want to convey.
Is it correct to say "applying that" instead of "apply that"?
Yes, "applying that" is correct, but it changes the grammatical structure. "Apply that" is an imperative or infinitive, while "applying that" is a gerund or present participle. They are used in different grammatical contexts. For example, "Applying that knowledge is crucial" versus "You should "apply that" knowledge".
What is the difference between ""apply that"" and "adapt that"?
"Apply that" means to use something as it is, whereas "adapt that" means to modify it to fit a new situation or purpose. The first emphasizes use, the second emphasizes change.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested