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
classic subject
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "classic subject" is correct and usable in written English.
It can be used to refer to a topic or theme that is widely recognized and appreciated, often in the context of art, literature, or education. Example: "The novel explores a classic subject: the struggle between good and evil."
✓ Grammatically correct
Science
News & Media
Art
Literature
Alternative expressions(6)
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
10 human-written examples
But she's far more appealing when she sings about country's classic subject, infidelity.
News & Media
Image segmentation is a classic subject in the field of image processing and also is a hotspot and focus of image processing techniques.
Science
Plastic deformation and strengthening of metals, a classic subject of physical metallurgy, is still a central theme of present-day materials research.
Shane's newsletter-book is substantially about sex (professional, personal, erotic, not) which is, after all, the classic subject of the early epistolary novel.
News & Media
The study of the flow characteristics in manifolds (dividing, combining, parallel or Z-manifold and reverse or U-manifold) is a classic subject of engineering fluid dynamics and hydrodynamics.
He also hinted that the old piece "is a classic subject in art history," and divulged one other detail: it has fur and is "sort of new in a serious but funny way".
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
50 human-written examples
"One of the classic subjects is solitude".
News & Media
Nor are the classic subjects foreign to him.
News & Media
What about it speaks to you? Picasso's light and elegant renderings of classic subjects complement the text so beautifully.
News & Media
The classic subjects of modernist architecture are space, form and light, but Ms. Solomonoff was willing to risk middlebrow taste if the price was right.
News & Media
A child's first day in a new school or a family's move to a different neighborhood are by now classic subjects.
News & Media
Expert writing Tips
Best practice
When using "classic subject", ensure the context clearly indicates why the subject is considered 'classic'. Provide specific examples or historical background to strengthen your claim.
Common error
Avoid using "classic subject" as a generic descriptor. Ensure the subject genuinely possesses historical significance, widespread recognition, or enduring relevance; otherwise, opt for more precise terms like "common topic" or "familiar theme".
Source & Trust
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "classic subject" functions as a noun phrase, typically used as a subject complement or object in a sentence. It identifies a topic as being well-established and frequently revisited, often within artistic, academic, or cultural contexts. Ludwig shows its usage in various fields, indicating its versatility.
Frequent in
News & Media
40%
Science
35%
Art
25%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "classic subject" serves to identify a topic as one that is well-established and frequently revisited across various fields, especially in art, literature, and science. Ludwig's analysis confirms that the phrase is grammatically sound and primarily employed to categorize themes of enduring interest. While predominantly found in news and media, as well as scientific contexts, it's crucial to ensure its appropriate use by providing context that supports the 'classic' nature of the subject. Alternatives such as "traditional theme" or "established topic" can be considered based on the intended nuance. Overall, "classic subject" is a valuable descriptor when highlighting the historical significance and continued relevance of a topic.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
traditional theme
Focuses on the established nature of the theme, highlighting its historical prevalence.
established topic
Emphasizes the widespread acceptance and recognition of the topic.
time-honored subject matter
Highlights the respect and longevity associated with the subject matter.
perennial theme
Suggests a recurring and enduring theme that appears across different eras.
archetypal motif
Refers to a recurring symbol or idea that represents universal patterns of human nature.
recurring theme
Highlights the cyclical reappearance of the theme in different contexts.
common topic
A more straightforward alternative that emphasizes the widespread nature of the topic.
conventional theme
Indicates that the theme adheres to established norms and expectations.
standard subject
Emphasizes the routine or typical nature of the subject.
familiar topic
Implies that the topic is well-known and easily recognizable.
FAQs
How can I use "classic subject" in a sentence?
You can use "classic subject" to refer to a topic that has been explored extensively over time. For example, "Infidelity is a "classic subject" in country music".
What are some alternatives to "classic subject"?
Some alternatives include "traditional theme", "established topic", or "time-honored subject matter", depending on the specific nuance you want to convey.
When is it appropriate to use "classic subject"?
Use "classic subject" when you want to emphasize that a topic is not new or novel, but rather one that has been explored extensively in the past and continues to be relevant.
Is "classic subject" formal or informal?
"Classic subject" is generally suitable for both formal and informal contexts, though the surrounding language should be adjusted accordingly. More formal alternatives like "time-honored subject matter" might be preferred in academic writing.
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
89%
Authority and reliability
4.6/5
Expert rating
Real-world application tested