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
this concept
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "this concept" is correct and usable in written English.
You can use it when referring to a specific idea or notion that has been previously mentioned or is about to be explained. Example: "This concept of sustainability is crucial for our future environmental policies."
✓ Grammatically correct
News & Media
Science
Encyclopedias
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
60 human-written examples
I thought: This concept?
News & Media
What inspired this concept?
News & Media
"I like this concept.
News & Media
This concept involved no chicanery.
News & Media
Nor is this concept new.
News & Media
LeBron fully understands this concept.
News & Media
This concept is doubly apt.
News & Media
This concept isn't really new.
News & Media
Hutton totally rejects this concept.
News & Media
What do you think of this concept?
News & Media
Allport called this concept functional autonomy.
Encyclopedias
Expert writing Tips
Best practice
When using "this concept", ensure the referent is easily identifiable within the immediate context for clear communication.
Common error
Avoid using "this concept" if the concept you are referring to is not immediately clear to the reader. Instead, rephrase to explicitly state the concept you are discussing.
Source & Trust
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "this concept" functions as a demonstrative determiner plus a noun, creating a noun phrase. It points to a specific idea, theory, or principle already mentioned or about to be explained. As Ludwig AI confirms, this phrase is grammatically correct and commonly used.
Frequent in
News & Media
41%
Science
33%
Encyclopedias
5%
Less common in
Formal & Business
5%
Wiki
5%
Social Media
0%
Ludwig's WRAP-UP
In summary, "this concept" is a grammatically correct and frequently used phrase to refer back to a previously mentioned idea, theory, or principle. Ludwig AI confirms its validity and common usage. While its register is generally neutral, it appears more frequently in news, scientific, and formal business contexts, suggesting a level of formality. To ensure clarity, it's crucial to make sure the concept being referenced is clearly defined in the preceding text. Consider using alternatives like "this idea" or "the aforementioned concept" to add variety or specificity.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
this idea
Replaces "concept" with a more general term, "idea", maintaining the same demonstrative reference.
this notion
Substitutes "concept" with "notion", implying a slightly more abstract or theoretical idea.
the aforementioned concept
Adds specificity by indicating the concept was previously mentioned, creating a more formal tone.
this principle
Replaces "concept" with "principle", suggesting a fundamental truth or proposition.
this theory
Substitutes "concept" with "theory", implying a more structured and potentially testable explanation.
this approach
Replaces "concept" with "approach", focusing on a method or way of dealing with something.
this framework
Substitutes "concept" with "framework", implying a structured set of ideas or principles.
this understanding
Replaces "concept" with "understanding", highlighting the comprehension of something.
this perspective
Substitutes "concept" with "perspective", suggesting a particular point of view or way of regarding something.
this hypothesis
Replaces "concept" with "hypothesis", indicating a proposed explanation made on the basis of limited evidence.
FAQs
How can I use "this concept" in a sentence?
Use "this concept" when you want to refer back to an idea that has already been discussed or introduced. For example, "We've discussed the importance of sustainability. /s/This+concept is crucial for our future."
What are some alternatives to using "this concept"?
Depending on the context, you can use alternatives such as "this idea", "this notion", or "the aforementioned concept".
Is it okay to start a sentence with "this concept"?
Yes, it is grammatically correct to start a sentence with "this concept", especially when you are building upon a previously mentioned idea.
How can I make my use of "this concept" clearer?
To ensure clarity, make sure the concept you are referring to is clearly defined in the preceding text. If there's any ambiguity, rephrase to restate the concept directly.
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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
81%
Authority and reliability
4.5/5
Expert rating
Real-world application tested