Keen vs Very interested

When to use each in English, with meaning, register, and examples.

Keen

Top 2,000 (common)B1adjective

Very interested

Top 2,000 (common)
 KeenVery interested
Pronunciation🇬🇧 //kiːn//🇺🇸 //kin//🇬🇧 //ˈvɛəri ˈɪntrəstɪd//🇺🇸 //ˈvɛri ˈɪntrəstɪd//
MeaningVery eager or enthusiastic about something.Really wanting to know more about something.
ExampleShe is keen to learn new languages.She is very interested in learning new languages.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
CEFR levelB1-
Part of speechadjective
Collocationskeen interest, keen observer, keen eyevery interested in, become very interested, seem very interested
Antonymsapathetic, indifferent, uninterested-
Common mistakes'Keen' is often confused with 'keen to', which should only be used for expressing desire., Learners sometimes use 'keen' as a noun instead of an adjective., Often incorrectly used without a specific object, e.g., 'I am keen' should be 'I am keen on cooking.'Using 'very interesting' instead of 'very interested' when describing feelings., Confusing with 'really interesting,' which describes the subject, not the feeling., Omitting 'in' after 'very interested.'
Usage notesUse 'keen' to express interest or enthusiasm. Often used in informal contexts, but also appropriate in formal writing.Use 'very interested' to express enthusiasm. Avoid in formal writing; opt for 'keen interest' instead.

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Keen
Very interested

Frequently asked questions: Keen vs Very interested

What's the difference between Keen and Very interested?

Keen: Very eager or enthusiastic about something. Very interested: Really wanting to know more about something.

Can you show an example of each?

Keen: She is keen to learn new languages. Very interested: She is very interested in learning new languages.

Can I use Keen and Very interested interchangeably?

Not always. Keen and Very interested are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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