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 one
Grammar usage guide and real-world examplesUSAGE SUMMARY
"this one" is correct and usable in written English.
You can use it to refer to a specific thing or idea when there is a context that makes the meaning clear. For example, "I like this one better than the others."
✓ Grammatically correct
News & Media
Alternative expressions(1)
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
"This one"?
News & Media
Well, this one is.
News & Media
This one does.
News & Media
This one certainly doesn't.
News & Media
This one was devastating.
News & Media
This one hurts".
News & Media
Not this one, pal.
News & Media
This one certainly has.
News & Media
This one was different.
News & Media
This one did not.
News & Media
"This one?" Saad asked.
News & Media
Expert writing Tips
Best practice
Use "this one" to clearly and concisely refer to a specific item or person when the context is already established. Avoid overuse in situations where more descriptive language would provide clarity.
Common error
Avoid using "this one" without a clear antecedent. Ensure that the item or person being referenced is easily identifiable to the reader or listener to prevent confusion.
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "this one" is as a pronoun, specifically functioning as a demonstrative pronoun. It stands in for a noun, referring to a specific object or person already identified or understood in the context. Ludwig AI confirms that it is correct and usable in written English.
Frequent in
News & Media
80%
Wiki
10%
Formal & Business
5%
Less common in
Science
2%
Social Media
2%
Encyclopedias
1%
Ludwig's WRAP-UP
In summary, "this one" is a demonstrative pronoun used to refer to a specific item or person. Ludwig AI confirms its grammatical correctness and usability in various contexts. It is most frequently found in news and media sources, suggesting a neutral to slightly informal register. To ensure clarity, always provide a clear antecedent for "this one". While widely used, consider more descriptive alternatives in formal writing to avoid ambiguity. Alternatives like "this particular one" or "this specific item" can offer greater precision when needed.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
this particular one
Adds emphasis to the specificity of the item being referred to.
the one here
Highlights the item's presence in the immediate vicinity.
this specific item
Replaces the pronoun with a more formal noun phrase.
the aforementioned
Refers back to something previously mentioned, suitable for formal contexts.
this very item
Emphasizes the exactness of the item being selected.
this object
A more generic term, suitable when the specific nature of the item is unimportant.
the one I mean
Clarifies the reference by indicating a specific intention or understanding.
that one
Shifts the focus to an item further away or less immediately present.
the chosen one
Implies a selection process or special significance.
this selection
Highlights the act of choosing a particular item.
FAQs
How can I use "this one" in a sentence?
"This one" is used to refer to a particular item or person that has already been mentioned or is easily identifiable in the context. For example, "Which shirt do you prefer?" "This one, it's more comfortable."
What are some alternatives to "this one"?
Depending on the context, you could use phrases like "this particular one", "the one here", or "this specific item" to refer to a particular item or person.
Is it correct to use "this one" in formal writing?
While "this one" is grammatically correct, it is generally more suitable for informal or neutral contexts. In formal writing, consider using more specific and descriptive language to avoid ambiguity.
What's the difference between "this one" and "that one"?
"This one" typically refers to something that is closer or more immediately present, while "that one" refers to something that is further away or less immediately present. The choice depends on the spatial relationship between the speaker and the item being referenced.
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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested