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
the main subject
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase 'the main subject' is correct and usable in written English.
You can use it when you want to refer to the main topic or idea of a discourse or conversation. For example: The main subject of the conversation was how our company could reduce its carbon emissions.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(19)
the primary focus
the core issue
the chief concern
the focal point
the matter at hand
the main issue
the main purpose
the main question
the main purposes
a direct subject
main subject
a direct connection
the prevailing theme
the central concept
the key idea
the core message
the specific topic
the central point
the designated area
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
59 human-written examples
The main subject is expected to be, broadly, Hollywood.
News & Media
Creative processes, though, are not the main subject here.
News & Media
Business, health, sport and design are the main subject areas.
News & Media
"It's the main subject people complain about," he said.
News & Media
And change is the main subject of "The Nutcracker".
News & Media
More generally, Greece was also the main subject on investors' minds once more.
News & Media
A leading contemporary African painter, Chéri Samba's later work often features himself as the main subject.
News & Media
The main subject is vouchers, with which the government pays for students to attend private schools.
News & Media
King has been the main subject of The New Yorker's cover three times.
News & Media
Digital incunabula are the main subject of "Hamlet on the Holodeck".
News & Media
I believe the main subject is Miley Cyrus and her dance moves.
News & Media
Expert writing Tips
Best practice
When using "the main subject", ensure it clearly represents the core focus to maintain clarity and prevent ambiguity for your audience.
Common error
Avoid using "the main subject" without explicitly defining or introducing what that subject is. Always provide context to ensure your audience understands what you are referring to.
Source & Trust
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "the main subject" functions as a noun phrase, typically acting as the subject or object of a sentence. It identifies the central theme, topic, or area of focus, as confirmed by Ludwig.
Frequent in
Science
34%
News & Media
33%
Encyclopedias
7%
Less common in
Wiki
6%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "the main subject" is a versatile noun phrase used to denote the core topic or focus in various contexts. Ludwig AI confirms its grammatical correctness and common usage across diverse fields, including science, news, and encyclopedic resources. While perfectly correct, make sure you are being explicit and clear what you are refering to. Considering its frequency and authoritative source support, mastering the use of "the main subject" is essential for clear and effective communication. Explore related phrases for a deeper understanding.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
the central topic
Focuses on the idea of a core theme rather than a subject under discussion.
the key topic
Emphasizes importance over the notion of a subject's core nature.
the principal theme
Highlights the thematic element, shifting from a specific subject.
the primary focus
Directs attention to the core point of attention, not necessarily a subject.
the core issue
Draws attention to a problem or point of contention, unlike a broad subject.
the chief concern
Highlights the element of worry or importance, differing from a neutral subject.
the focal point
Stresses the visual or conceptual center, not necessarily a subject of discussion.
the matter at hand
Refers to something currently being dealt with, differing from an academic subject.
the dominant feature
Highlights a prominent attribute, unlike a complete subject.
the prevailing idea
Focuses on a widely accepted notion, shifting away from a topic.
FAQs
What does "the main subject" mean?
The phrase "the main subject" refers to the primary topic or focus being discussed, analyzed, or represented in a given context, such as a conversation, article, or piece of art.
How can I use "the main subject" in a sentence?
You can use "the main subject" to introduce or refer back to the central topic. For example, "The main subject of the meeting was the company's new sustainability initiatives."
What are some alternatives to "the main subject"?
Alternatives to "the main subject" include phrases like "the central topic", "the key topic", or "the primary focus", depending on the specific nuance you want to convey.
Is it redundant to say "the main subject matter"?
While not strictly incorrect, "the main subject matter" can be seen as slightly redundant since "subject" often implies "matter". Using just "the main subject" is generally more concise and preferred.
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
82%
Authority and reliability
4.5/5
Expert rating
Real-world application tested