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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
a primary interest
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a primary interest" is correct and usable in written English.
It can be used to indicate the main or most important interest in a particular context or situation. Example: "The research focuses on a primary interest in renewable energy sources and their impact on the environment."
✓ Grammatically correct
News & Media
Science
Alternative expressions(18)
a main concern
a key focus
a major priority
a central concern
a principal focus
a chief concern
a paramount concern
a fundamental interest
a major interest
a primary consideration
a key interest
a primary motivator
a primary one
a primary driver
a primary shout-out
a primary function
a real interest
a public interest
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
37 human-written examples
Its embryo bill says that a journalist is someone "who has a primary interest to investigate events and procure material", informing the public through interviews and observation.
News & Media
In the show's earliest pictures, he's learning the ropes of on-board service, while photographing — always a primary interest — as he went.
News & Media
If retaining conservation value is a primary interest for a landowner, then it is relatively straightforward to sell the development rights on the land.
News & Media
And, of course, a primary interest in having photographs of well-known beauties to look at over the years is seeing just how well or badly they negotiate the shame of ageing.
News & Media
Mr. Cheney had long played a leading role in economic policy, though housing was not a primary interest, and like Mr. Bush he had a deep aversion to government intervention in the market.
News & Media
He is an experienced organisational change agent with senior management experience in implementing successful change initiatives within the local government sector, with a primary interest in emerging uses of new media and "social" strategies to deliver public service transformation and social innovation.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
23 human-written examples
Ethical guidelines have focussed much more on research than on innovative care, because we assume that people need greater protection from an investigator, whose primary interest is knowledge, than from a clinician, whose primary interest is a patient's well-being.
News & Media
Mr. Master warned that customers would suffer if the lines were bought by a business whose primary interest is to "repay investors and turn the quick buck by cutting costs -- read: jobs and infrastructure investment".
News & Media
Here the use of biblical allusion is not symbolism or metaphor, which are both rhetorical techniques for enriching a narrative whose primary interest does not rest with the larger resonances of the Bible.
News & Media
Leon and Kolstad [ 31] report a lack of primary interest in medicine among medical school entrants.
Science
As stressed by Schmitz-Dräger et al (2000), standardisation of p53 immunolabelling is a matter of primary interest.
Science
Expert writing Tips
Best practice
When using "a primary interest", clearly define what that interest is within the context of your writing to avoid ambiguity. For instance, instead of saying "conservation is a primary interest", specify "conservation of biodiversity is a primary interest".
Common error
Avoid repeatedly using "a primary interest" without providing specific details about the interest itself. This can make your writing vague and less impactful. Instead, vary your language and use synonyms like "key focus" or "main concern" to add nuance and precision.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a primary interest" functions as a noun phrase that identifies the main concern, focus, or motivation in a given context. As Ludwig AI confirms, the phrase is correct and usable in written English, typically modifying a subject to indicate its chief objective or area of attention.
Frequent in
Science
40%
News & Media
34%
Formal & Business
8%
Less common in
Encyclopedias
2%
Wiki
2%
Reference
0%
Ludwig's WRAP-UP
In summary, "a primary interest" is a versatile phrase used to highlight the main focus or concern in various contexts, ranging from scientific studies to news reporting. As Ludwig AI indicates, it's grammatically correct and widely understood. While frequently used in science and news media, it's crucial to provide specific context to avoid vagueness. Alternatives such as "a key focus" or "a main concern" can add nuance. Remember to clearly define the interest and vary your language for a more impactful message.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a central concern
Emphasizes the importance of the interest being at the core of the matter.
a key focus
Highlights that the interest is a major point of attention.
a major priority
Indicates that the interest is of high importance and requires immediate attention.
a principal focus
Highlights that the interest is a main point of attention.
a chief concern
Emphasizes that the interest is the most important worry or focus.
a leading interest
Suggests the interest guides or directs actions or thoughts.
a prime interest
Indicates the interest is of the highest quality or rank.
a predominant interest
Suggests the interest is the most noticeable or prevalent.
a foremost interest
Indicates the interest comes first in order or importance.
a paramount concern
Emphasizes the supreme importance of the interest.
FAQs
How can I use "a primary interest" in a sentence?
You can use "a primary interest" to indicate the main focus or concern in a particular situation. For example, "A primary interest of the study is to determine the effectiveness of the new treatment."
What are some alternatives to saying "a primary interest"?
You can use alternatives like "a key focus", "a main concern", or "a major priority" depending on the context.
Is it better to say "primary interest" or "main interest"?
Both "primary interest" and "main interest" are acceptable, but "primary interest" often implies a foundational or fundamental concern, while "main interest" simply indicates the most significant one. The choice depends on the specific nuance you want to convey.
How does "a primary interest" differ from "a secondary interest"?
"A primary interest" refers to the most important or fundamental concern, while "a secondary interest" refers to a less important or subordinate concern. Conflicts can arise when secondary interests unduly influence decisions related to "a primary interest".
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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