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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
the subject about
Grammar usage guide and real-world examplesUSAGE SUMMARY
'the subject about' is correct and usable in written English.
You can use it when you are referring to a subject or topic that is being discussed. For example: We need to focus the discussion on the subject about environmental sustainability.
⚠ May contain grammatical issues
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
I edited and contributed two chapters to the only book on the subject (1).
Academia
Here are three interesting sources to read for more information on the subject: (1) Out of Balance?
News & Media
How do I approach the subject?' (PG11).
Of the subjects, 970 (14.4%) had received 1 dose of the LLR vaccine.
Science
About half of the subjects (n=57, 50.9%) felt susceptible to oral cancer.
We have only ranked institutions that have a significant number of students in the subjects (10 or more).
News & Media
A large majority of the subjects, 63 percent, reported no exercise, while 22percentt were labeled insufficient exercisers.
News & Media
In a statement, Brainjolt said Distractify had no claim to ownership over the subjects 22 Words covered.
News & Media
We have only ranked institutions which have a significant number of students in the subjects (10 or more).
News & Media
Females comprised majority of the subjects (68.2 %).
Science
The ICC provides information about distinguishability of the subjects [23].
Science
Expert writing Tips
Best practice
Use "the subject of" instead of "the subject about" for grammatical correctness and clarity. For example, say "The book is on the subject of astrophysics" instead of "The book is on the subject about astrophysics".
Common error
Avoid using "about" after "subject". The correct preposition is usually "of". Using "about" makes the phrase grammatically incorrect and less clear.
Source & Trust
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the subject about" is intended to function as a determiner phrase followed by a preposition, aiming to specify a topic. However, due to grammatical conventions, it's considered incorrect. Ludwig AI indicates that it is not standard English.
Frequent in
Science
0%
News & Media
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Formal & Business
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Less common in
Science
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News & Media
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Formal & Business
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Ludwig's WRAP-UP
In summary, the phrase "the subject about" is grammatically incorrect and should be avoided in formal writing. As noted by Ludwig AI, it's not considered standard English. Instead, use the correct phrasing "the subject of" or other alternatives like "concerning the topic" or "regarding the subject". Using correct grammar ensures clarity and credibility in your writing. While the intended meaning might be understood, adhering to established grammatical rules is crucial for effective communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
the subject of
A more grammatically correct and widely accepted way to introduce a topic.
regarding the subject
This phrase adds a level of formality and emphasizes relevance to the subject.
concerning the topic
Focuses specifically on a 'topic' and is appropriate for formal discussions.
on the matter of
Introduces a specific 'matter', often used in formal or official contexts.
with regard to the subject
Adds a formal tone, indicating careful consideration of the subject.
in relation to the topic
Highlights the connection or relationship to the topic at hand.
pertaining to the subject
A formal way of indicating relevance or connection to a specific subject.
the matter at hand
Emphasizes the immediacy and importance of the subject being discussed.
the issue in question
Highlights a specific problem or point of debate within the subject.
the theme under discussion
Focuses on the overarching theme being explored or debated.
FAQs
What is the correct way to use "the subject" in a sentence?
The correct way is to use "the subject of" followed by the topic. For example, "The lecture was on "the subject of astronomy"".
Is it grammatically correct to say "the subject about"?
No, it is not grammatically correct. The correct preposition to use with "the subject" is "of", not "about".
What can I say instead of "the subject about"?
You can use alternatives like "the subject of", "concerning the topic", or "regarding the subject" depending on the context.
What's the difference between "the subject of" and "the subject about"?
"The subject of" is grammatically correct and widely used, while "the subject about" is not. Use "the subject of" to ensure your writing is clear and correct.
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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
60%
Authority and reliability
1.5/5
Expert rating
Real-world application tested