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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
main interest
Grammar usage guide and real-world examplesUSAGE SUMMARY
"main interest" is a correct and usable phrase in written English.
You can use it to introduce the primary focus or primary point of something, such as a discussion, argument, or activity. Example: His main interest in joining the club was to improve his public speaking skills.
✓ Grammatically correct
Academia
Formal & Business
News & Media
Science
Encyclopedias
Wiki
Alternative expressions(20)
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
60 human-written examples
Mr. Paterson's main interest is budgetary.
News & Media
Fischer's main interest then was photography.
News & Media
But archaeology was not his main interest.
Encyclopedias
Their main interest is Iraq".
News & Media
whose main interest was sculpture.
News & Media
Bicycles are my main interest.
News & Media
"Our main interest is ending the genocide.
News & Media
Lieder is still my main interest".
News & Media
Rieder's main interest in this topic?
News & Media
But research remained his main interest.
News & Media
Our main interest was in the money.
News & Media
Expert writing Tips
Best practice
Use "main interest" to clearly and concisely introduce the central focus of a subject or person, ensuring clarity in communication. For example, in a research paper, state the "main interest" early to guide the reader.
Common error
Avoid using "main interest" when the context already implies a primary focus. Instead of saying "The student's main interest is studying", consider "The student is dedicated to studying" for a more impactful statement.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "main interest" functions primarily as a noun phrase, often serving as the subject complement or object of a sentence. It identifies the central focus or area of concern, as validated by Ludwig's examples.
Frequent in
News & Media
40%
Academia
20%
Encyclopedias
10%
Less common in
Science
10%
Formal & Business
10%
Wiki
10%
Ludwig's WRAP-UP
In summary, "main interest" is a versatile and widely used noun phrase that identifies the central focus of attention or activity. According to Ludwig, it is grammatically correct and appropriate for a variety of contexts, as showcased by its frequent appearance in news media, academic writing, and encyclopedias. Related phrases such as "primary focus" and "key concern" can offer nuanced alternatives, while guidance on best practices helps ensure clear and impactful communication.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
primary focus
Emphasizes the central point of attention, similar to "main interest" but with a slightly broader scope.
key concern
Highlights a significant worry or matter of importance, differing from "main interest" by implying a problem or issue.
principal aim
Focuses on the primary goal or objective, shifting the context from interest to purpose.
central preoccupation
Suggests a dominating thought or concern, adding an element of intensity not present in "main interest".
major preoccupation
Similar to 'central preoccupation', highlighting the importance of a topic of interest to someone
chief concern
Synonymous to 'key concern', it is more about the importance of something for someone.
foremost priority
Indicates the most important task or consideration, changing the context to a matter of urgency.
prime objective
Mirrors "principal aim", emphasizing the overarching objective rather than personal interest.
overriding passion
Conveys a strong enthusiasm or dedication, adding an emotional dimension absent in "main interest".
driving force
Highlights what motivates or compels someone, focusing on influence rather than simple interest.
FAQs
How can I rephrase "main interest" to sound more formal?
In more formal contexts, consider using phrases like "primary focus", "principal aim", or "chief concern".
What's the difference between "main interest" and "hobby"?
"Main interest" generally refers to a core focus or area of study/activity that someone dedicates significant time and energy to. A "hobby", on the other hand, is a recreational activity done for pleasure in one's free time.
When is it appropriate to use "main interest" in a sentence?
It's appropriate when you want to clearly identify the central focus, passion, or key area of importance for a person, project, or organization. For example: "Her main interest lies in environmental conservation".
What are some common synonyms for "main interest"?
Common synonyms include "primary focus", "key concern", "principal aim", and "central preoccupation", each carrying slightly different connotations.
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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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested