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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a key subject
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a key subject" is correct and usable in written English.
It can be used to refer to an important or central topic in a discussion, analysis, or study. Example: "In our research, we identified climate change as a key subject that requires immediate attention."
✓ Grammatically correct
Science
News & Media
Formal & Business
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
33 human-written examples
This paper is a further study of "Unconventional Hydrocarbon Potential Analysis and Future Strategic Zone Selection in Global Main Areas"—a key subject under the National Oil and Gas program.
Science
It gets them talking around a key subject and it's versatile, fun and cheap".
News & Media
Since such matters are a key subject of the poem, the provision of informative notes is essential.
News & Media
Thus the evaluation of average aquifer recharge from precipitation, and its uncertainty, becomes a key subject in determining suitable countrywide water policies.
Science
A major problem is the low number of girls at school who study physics, a key subject for careers in engineering and construction.
News & Media
Down-hole operating condition diagnosis based on dynamometer card is a key subject for sucker rod pumping in oil extraction engineering.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
27 human-written examples
(1) A few key subject areas and descriptive terms.
Academia
He went on to Bryanston school, Dorset, and Bristol University, where, although his key subject at A-level had been classics, he took a degree in philosophy and economics.
News & Media
If you leave a space after each key subject,you can write it out a few times and you will remember them.
Wiki
GHSP intends to advance implementation science across a wide range of key subject areas with broad remediable impact on health.
Or another school can post apparently impressive outcomes but only because of unsustainable cramming in a few key subjects in the final year to the exclusion of everything else.
News & Media
Expert writing Tips
Best practice
Use "a key subject" to introduce the most important area of focus. This helps set expectations and directs the reader's attention.
Common error
Avoid starting multiple sentences or paragraphs with "a key subject". Vary your language by using synonyms or rephrasing to maintain reader engagement.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a key subject" functions as a noun phrase, specifically identifying an important topic or area of focus. Ludwig's examples show its usage across diverse fields to highlight essential themes.
Frequent in
Science
40%
News & Media
37%
Formal & Business
13%
Less common in
Academia
4%
Wiki
4%
Encyclopedias
2%
Ludwig's WRAP-UP
The phrase "a key subject" is a common and grammatically correct way to refer to an important topic or area of focus. Ludwig examples demonstrate its frequent use across scientific, news, and business contexts. It serves to highlight the significance of a particular issue, directing attention to what is most crucial. While versatile, be mindful of overuse. Consider using alternatives like "an essential topic" or "a crucial matter" for variety. Ludwig AI confirms its acceptability and broad applicability.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
an essential topic
Replaces "key" with "essential", emphasizing necessity.
a crucial matter
Substitutes "subject" with "matter", highlighting the importance of the issue.
a primary focus
Emphasizes the concentration of attention on the subject.
a central theme
Highlights the subject's role as a recurring element.
a significant issue
Replaces "subject" with "issue", indicating a problem or concern.
a vital point
Emphasizes the critical nature of the subject.
an important aspect
Focuses on the subject as one part of a larger whole, stressing its significance.
a major area of concern
Highlights the subject as a significant source of worry or attention.
a pivotal question
Emphasizes the subject's role as a turning point or critical inquiry.
a fundamental element
Highlights the subject as a basic and essential component.
FAQs
How can I use "a key subject" in a sentence?
Use "a key subject" to introduce a central topic or issue. For example, "Data privacy is "a key subject" in the current debate about technology."
What are some alternatives to "a key subject"?
You can use alternatives like "an essential topic", "a crucial matter", or "a primary focus" depending on the context.
Is it better to say "key subject" or "important subject"?
"Key subject" often implies a topic that is not only important but also fundamental or essential to a particular discussion or field. "Important subject" is a broader term. The best choice depends on the specific nuance you want to convey.
What makes a topic qualify as "a key subject"?
A topic qualifies as "a key subject" when it is central to understanding a larger issue, when it significantly influences outcomes, or when it is essential for making informed decisions. It's often a recurring theme that demands careful consideration.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested