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
matter of subject
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "matter of subject" is not correct in standard written English.
It is unclear and does not convey a specific meaning; it may be an attempt to refer to a topic or issue at hand. Example: "In this discussion, the matter of subject is the impact of climate change on agriculture."
⚠ May contain grammatical issues
Science
News & Media
Wiki
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
1 human-written examples
Meanings are a matter of subject terms and predicate terms being hooked as it were to things and their attributes.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
It isn't just a matter of subjecting stars to weeks-long global marketing blitzes.
News & Media
Sometimes, it's a matter of subjects' not liking the way that other people see them.
News & Media
In conclusion, this work shows for the first time a widespread reduced mean diffusivity within the white matter of subjects with sporadic CJD.
Science
However, few studies have used DTI to address microstructural changes in the white matter of subjects with metabolic syndrome (15, 28).
Science
You can't go wrong with a harmless observation about the weather, or some other matter-of-fact subject.
Wiki
Effective schools research and policy discussions must include the measurement of subject-matter and non-subject-matter outcomes of schooling.
Our conversation is badly in need of an In Our Time-style leap of subject-matter.
News & Media
This team of subject-matter experts with execution momentum is better than an intracompany bootstrap.
News & Media
Data validity was assessed by a reference group of subject-matter experts.
Science
These matters remain subjects of historical debate.
Wiki
Expert writing Tips
Best practice
When discussing a particular topic, use established phrases like "subject matter" or "topic of discussion" instead of the unclear phrase "matter of subject".
Common error
Do not use "matter of subject" in your writing. This phrase is not standard English and can confuse your readers. Opt for clearer alternatives like "subject matter" or "topic of discussion".
Source & Trust
79%
Authority and reliability
2.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "matter of subject" is grammatically incorrect and doesn't have a clear grammatical function in English. It seems to be an attempt to describe a topic or theme, but it fails to do so effectively. According to Ludwig AI, this phrase is not correct in standard written English.
Frequent in
Science
33%
News & Media
33%
Wiki
33%
Less common in
Encyclopedias
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "matter of subject" is grammatically incorrect and lacks clarity in standard English. As Ludwig AI points out, it is better to use established phrases such as "subject matter", "topic of discussion", or "issue at hand" instead. Given its rare occurrence and potential for confusion, avoiding "matter of subject" will improve the clarity and correctness of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
subject matter
Focuses on the topic or theme being discussed or studied, replacing the awkward phrasing.
topic of discussion
Highlights the main idea or subject that is being talked about, offering a clearer alternative.
issue at hand
Emphasizes the problem or matter currently being considered, providing a more direct and common expression.
theme of the matter
Refers to the central idea or subject, improving grammatical flow.
area of focus
Indicates the specific field or subject being concentrated on, offering a more formal alternative.
point in question
Directly addresses the specific issue that needs to be resolved or discussed, providing a straightforward alternative.
subject under consideration
Highlights that the subject is being actively thought about or debated.
relevant subject
Emphasizes that the topic is pertinent and important to the current context.
pertinent issue
Highlights the relevance and importance of the matter being discussed.
the question of subject
Frames the discussion around a specific question related to a subject.
FAQs
What is the correct way to refer to a topic or theme?
Instead of using the phrase "matter of subject", which is grammatically awkward, you should use more common and clear alternatives such as "subject matter", "topic of discussion", or "issue at hand".
How can I use "subject matter" in a sentence?
You can use "subject matter" in a sentence like this: "The subject matter of the book was very complex".
What are some synonyms for "subject matter"?
Some synonyms for "subject matter" include "topic of discussion", "theme", "issue", or "area of focus".
Is "matter of subject" grammatically correct?
No, "matter of subject" is not grammatically correct in standard English. It is best to avoid this phrasing and use alternatives like "subject matter" or "topic of discussion" instead.
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
79%
Authority and reliability
2.2/5
Expert rating
Real-world application tested