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
are keen
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are keen" is correct and usable in written English.
It can be used to express enthusiasm or eagerness about something. Example: "The students are keen to learn more about the subject matter."
✓ Grammatically correct
News & Media
Academia
Alternative expressions(3)
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
Peterborough United are keen to sign Livingston midfielder Stefan Scougall.
News & Media
Others, too, are keen.
News & Media
Some governors are keen.
News & Media
British consumers are keen.
News & Media
American hunters are keen, too.
News & Media
Not only Israelis are keen.
News & Media
PHYSICISTS are keen on symmetry.
News & Media
Banks are keen to lend.
News & Media
They are keen.
News & Media
Middlesbrough are keen.
News & Media
Many are keen to move into Europe.
News & Media
Expert writing Tips
Best practice
Use "are keen" to express enthusiasm or strong interest in a relatively informal context. In more formal writing, consider alternatives like "are eager" or "are enthusiastic".
Common error
While "are keen" is perfectly acceptable, relying on it too heavily in formal documents can make your writing sound less sophisticated. Vary your vocabulary by using synonyms like "are disposed", "are inclined" or "are desirous" to maintain a professional tone.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are keen" functions as a predicate adjective, describing the subject's state of being. As Ludwig AI indicates, it expresses enthusiasm or eagerness. Examples from Ludwig show its use in various contexts, such as expressing interest in signing a player or supporting research.
Frequent in
News & Media
69%
Academia
6%
Encyclopedias
2%
Less common in
Forbes
1%
Huffington Post
1%
Los Angeles Times
1%
Ludwig's WRAP-UP
The phrase "are keen" is a common and grammatically correct way to express enthusiasm or strong interest. As Ludwig AI confirms, it's widely used in various contexts, particularly in news and media. While generally neutral in register, it's important to consider the audience and context when choosing between "are keen" and more formal alternatives like "are eager" or "are enthusiastic". Remember to avoid overusing "are keen" in formal documents to maintain a professional tone. "Are keen" functions as a predicate adjective, conveying a positive attitude towards something.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are eager
Focuses more on anticipation and excitement for something.
are enthusiastic
Emphasizes a lively and passionate interest.
are interested
A more general expression of having concern or curiosity.
are willing
Highlights readiness and consent to do something.
are passionate
Highlights a deep and intense emotional investment.
are inclined
Suggests a tendency or preference towards something.
are disposed
Implies a readiness or willingness influenced by one's nature or circumstances.
are avid
Implies a strong and passionate interest, often in hobbies or activities.
are anxious
While it can mean eagerness, it often carries a connotation of worry or nervousness.
are desirous
A more formal and somewhat archaic way of expressing a strong wish or longing.
FAQs
How can I use "are keen" in a sentence?
What can I say instead of "are keen"?
You can use alternatives like "are eager", "are enthusiastic", or "are interested" depending on the specific nuance you want to convey.
Is "are keen on" grammatically correct?
Yes, "are keen on" is grammatically correct and commonly used, especially in British English. It's used to express enthusiasm or interest in a particular activity or subject, as in "They "are keen" on playing football".
What's the difference between "are keen" and "are eager"?
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
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested