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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
in this topic
Grammar usage guide and real-world examplesUSAGE SUMMARY
"in this topic" is a correct and usable phrase in written English.
You can use it to introduce a discussion of a specific topic, for example: "In this topic, we will discuss the challenges of teaching online classes."
✓ Grammatically correct
News & Media
Science
Alternative expressions(20)
regarding this matter
in that matters
in that criterion
from that perspective
in this parameter
in this subject
in that circumstance
on this issue
concerning this issue
in this score
in this shows
in that aspect
in that respect
in this theme
with respect to this
in this course
in that sense
in this instance
in this affair
from this perspective
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
What piqued your interest in this topic?
News & Media
They all still count in this topic.
News & Media
Rieder's main interest in this topic?
News & Media
Press regulation is examined further in this topic guide from Debating Matters.
News & Media
Create a fact sheet covering the main areas of discussion in this topic.
News & Media
Before proceeding with a project, it's worth considering: How can you engage students in this topic?
News & Media
The Results Students were engaged in this topic because it was relevant to their age group.
News & Media
Going Further | Here are additional ideas for digging deeper in this topic: 1.
News & Media
If you live in Nigeria, or are interested in this topic, we'd like to hear from you.
News & Media
"We need to immerse children in this topic; they are the ancestors, they should know who they are," Vasilyev says.
News & Media
If you are interested in this topic, take a look at liberty central's A-Z of legislation.
News & Media
Expert writing Tips
Best practice
Use "in this topic" to clearly signal the subject of discussion, ensuring your audience understands the focus of your writing or speech. This helps maintain coherence and prevent confusion.
Common error
Avoid repetitive use of "in this topic" within close proximity. Vary your phrasing with synonyms like "regarding this subject" or "concerning this matter" to enhance readability and maintain audience engagement.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in this topic" functions as a prepositional phrase, serving primarily as an adverbial modifier. It typically introduces, specifies, or refers to a subject matter within a larger discussion or text. As Ludwig AI confirms, it is a correct and usable phrase.
Frequent in
Science
37%
News & Media
34%
Formal & Business
0%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "in this topic" is a versatile prepositional phrase used to direct attention to a specific subject of discussion. Ludwig AI confirms that it is a correct and frequently used expression, suitable for various contexts, particularly in academic, scientific, and news-related materials. While grammatically sound, writers should avoid overuse and consider synonyms like "regarding this subject" or "concerning this matter" to maintain variety and engagement. Its frequent appearance in reputable sources underscores its reliability as a functional component of clear and focused communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
regarding this subject
Replaces 'topic' with 'subject', slightly shifting the focus to the general subject matter.
concerning this matter
Uses 'matter' instead of 'topic', implying a slightly more formal or serious context.
on this issue
Substitutes 'topic' with 'issue', framing the discussion as potentially contentious or problematic.
within this area
Replaces 'topic' with 'area', broadening the scope to a field or domain.
in relation to this theme
Uses 'theme' instead of 'topic', suggesting a central idea or motif.
pertaining to this question
Frames the discussion around a specific 'question', narrowing the focus.
with respect to this field
Employs 'field' in place of 'topic', indicating a defined area of study or activity.
in the context of this discussion
Expands the phrase to emphasize the surrounding conversation or discourse.
in connection with this theme
Focuses on a linkage to a major organizing idea instead of a general subject.
regarding this point
More specifically targets one distinct element in the larger matter.
FAQs
How can I use "in this topic" in a sentence?
You can use "in this topic" to introduce a specific area of discussion. For example, "In this topic, we will explore the challenges of climate change."
What are some alternatives to "in this topic"?
Alternatives include "regarding this subject", "concerning this matter", or "on this issue", depending on the context.
Is "in this topic" formal or informal?
"In this topic" is generally neutral and can be used in both formal and informal contexts. However, more formal alternatives may be preferable in academic or professional writing.
How does the meaning of "in this topic" differ from "on this topic"?
While similar, "in this topic" typically implies a deeper dive or more extensive exploration of the subject, whereas "on this topic" can be a more general reference.
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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