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
primarily interested in
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "primarily interested in" is correct and commonly used in written English.
It is typically used to express the main or primary focus or desire of a person, group, or organization. Example: The company's hiring criteria states that they are primarily interested in candidates with experience in marketing and sales.
✓ Grammatically correct
News & Media
Science
Encyclopedias
Alternative expressions(15)
especially interested in
mainly concerned with
chiefly focused on
foremost in one's thoughts
largely interested in
basically interested in
chiefly interested in
principally interested in
predominantly interested in
particularly interested in
mostly interested in
essentially interested in
most often concerned
mainly focused on
most often published
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
Constantius was primarily interested in religious affairs.
Encyclopedias
We are primarily interested in tracer macrodispersion modelling.
I'm primarily interested in computer vision.
Academia
The D.O.J. is primarily interested in the Minneapolis-St.
News & Media
We believe Cablevision customers are primarily interested in value.
News & Media
"Online investors are primarily interested in I.P.O.'s," she said.
News & Media
The Dutch were primarily interested in commerce; they found none.
Encyclopedias
Philosophers are primarily interested in Miss Anscombe's action theory.
News & Media
He is not primarily interested in the ever-changing rhetoric of weather, light or nature.
News & Media
"But professionals, even good ones, are primarily interested in their jobs and their routines.
News & Media
I was primarily interested in the classics, and that would include engraving.
News & Media
Expert writing Tips
Best practice
When using "primarily interested in", ensure that it accurately reflects the main focus or interest, avoiding ambiguity by specifying the subject of interest clearly.
Common error
Avoid using "primarily interested in" when the interest is actually secondary or only one of many equally important interests. Use alternative phrasing like "also interested in" or "among other interests" instead.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "primarily interested in" functions as an adjective phrase, modifying a noun or pronoun to specify the main area of interest or focus. It is often used to describe a person's, group's, or organization's principal concern or desire. Ludwig examples confirm this usage.
Frequent in
News & Media
33%
Science
26%
Encyclopedias
7%
Less common in
Wiki
3%
Academia
3%
Formal & Business
0%
Ludwig's WRAP-UP
The phrase "primarily interested in" is a common and grammatically correct way to express a main focus or interest. As shown by Ludwig, it appears frequently in news, science, and encyclopedia sources. It serves to clarify priorities and intentions, though it is important to ensure it accurately reflects the main focus to avoid ambiguity. Consider synonyms such as "mainly concerned with" or "chiefly focused on" for different nuances. The frequency and diversity of sources confirm the phrase's versatility and broad applicability.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
above all, interested in
Similar in meaning, but it adds an element of prioritization and highlights the importance of one's interest above other factors.
primarily absorbed in
Similar to absorbed by but more direct and less intense.
mainly concerned with
Focuses on concern rather than interest, implying a degree of worry or responsibility.
chiefly focused on
Emphasizes focus and direction, implying a deliberate and concentrated effort.
largely invested in
Suggests a deeper level of involvement and commitment, often with an emotional or personal stake.
predominantly absorbed by
Conveys a sense of being completely engrossed or consumed by something.
centrally dedicated to
Highlights dedication and purpose, suggesting a formal or professional commitment.
mostly preoccupied with
Implies that something is taking up a significant amount of one's thoughts or attention.
foremost in one's thoughts
Highlights what someone is thinking about more than their actions.
keenly fascinated by
Emphasizes the intense interest and attraction one has for a subject.
FAQs
How can I rephrase "primarily interested in" to sound more formal?
For a more formal tone, consider using phrases like "chiefly concerned with", "principally focused on", or "primarily invested in". These alternatives /s/chiefly+concerned+with, /s/principally+focused+on, /s/primarily+invested+in convey a similar meaning with a heightened level of formality.
Is there a subtle difference between "primarily interested in" and "especially interested in"?
"Primarily interested in" indicates the main focus of interest, while "especially interested in" suggests a heightened level of enthusiasm or fascination within a broader range of interests. You are "especially interested in" something you like more than other things, but you are "primarily interested in" the core of your interests.
What are some common synonyms for "primarily interested in"?
Common synonyms include "mainly concerned with", "chiefly focused on", "largely invested in", or "mostly preoccupied with". Each synonym /s/mainly+concerned+with, /s/chiefly+focused+on, /s/largely+invested+in, /s/mostly+preoccupied+with provides a slightly different nuance to the meaning.
How do I use "primarily interested in" in a sentence?
You can use "primarily interested in" to describe the main area of focus or interest. For example, "The researcher is primarily interested in the effects of climate change on coastal ecosystems" or "The company is primarily interested in expanding its market share in Asia".
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
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested