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
on this
Grammar usage guide and real-world examplesUSAGE SUMMARY
"on this" is correct and usable in written English.
You can use it to refer to something previously mentioned, as in "I discussed the point in detail earlier in the chapter; on this, I will now move on to a different topic."
✓ Grammatically correct
News & Media
Wiki
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
60 human-written examples
Click on this one.
Wiki
And on this night?
News & Media
"Particularly on this stage.
News & Media
Not on this planet.
News & Media
Please comment on this.
News & Media
Not on this night.
News & Media
On this we're resolute.
News & Media
Shame on this legislation.
News & Media
Any update on this?
News & Media
On this, Zaborowska disagrees.
News & Media
Thoughts on this picture?
News & Media
Expert writing Tips
Best practice
Use "on this" to clearly and concisely refer back to a previously mentioned topic or situation, ensuring smooth transitions and avoiding ambiguity in your writing.
Common error
Avoid overusing "on this" in overly formal contexts where more sophisticated phrases like "regarding this" or "with respect to this" might be more appropriate.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "on this" functions primarily as a prepositional phrase used to connect to a previously mentioned subject or topic. It acts as an adverbial modifier, providing context and indicating the focus of the current statement. As Ludwig AI highlights, it is correct and usable in written English.
Frequent in
News & Media
48%
Wiki
19%
Science
13%
Less common in
Formal & Business
10%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "on this" is a versatile prepositional phrase used to refer back to a previously mentioned topic. Ludwig AI confirms its grammatical correctness and usability in written English. It's commonly found in various contexts, including News & Media, Wiki, and Science, with a neutral register, making it suitable for diverse writing styles. When writing, ensure it clearly connects to a preceding subject to maintain coherence. While useful, avoid overuse in excessively formal contexts where alternatives like "regarding this" might be more appropriate. "On this" serves primarily as a transition, maintaining focus within a text and signaling direct relevance to prior discussions.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
regarding this
Replaces "on" with "regarding", focusing on the subject matter.
concerning this
Similar to "regarding this", but may imply a sense of worry or importance.
about this
A more direct and simple way to refer to the subject.
in this matter
More formal; emphasizes a specific issue or situation.
with respect to this
A formal alternative indicating consideration of a particular aspect.
in relation to this
Highlights the connection or association with the topic.
pertaining to this
A more technical and formal way to indicate relevance.
in connection with this
Emphasizes the link or association to the subject.
on the subject of this
More verbose, but provides a clear indication of the topic.
with regard to this
Indicates careful consideration of a specific point.
FAQs
How can I use "on this" in a sentence?
You can use "on this" to refer to something previously mentioned, as in, "I discussed the point in detail earlier in the chapter; on this, I will now move on to a different topic."
What are some alternatives to using "on this"?
Alternatives to "on this" include phrases like "regarding this", "concerning this", or "about this", depending on the context.
Is it appropriate to use "on this" in formal writing?
While "on this" is grammatically correct, it may sound less formal than alternatives like "in this matter" or "with respect to this", which might be preferred in certain formal contexts.
What is the difference between "on this" and "about this"?
"On this" typically refers back to a specific point or topic already under discussion, while "about this" can be used more broadly to introduce a new subject or aspect related to the current discussion.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested