keen

word

/ˈkin/
keen
/kˈiːn/
keen

Definition

Feeling very eager, interested, or enthusiastic about something. Also, having sharp senses or a sharp edge.

Usage & Nuances

'Keen' is somewhat formal for 'enthusiastic'; 'keen on' is common for liking things/people ('keen on sports'). It describes sharpness for senses ('keen sense of smell') or edges ('a keen knife'). Often found in British English with 'keen to' (wanting to do). Don’t use with negative feelings.

Example Sentences

She is keen to start her new job.

basic

He has a keen sense of smell.

basic

Are you keen on playing chess?

basic

Lucy’s really keen on getting that promotion.

natural

That’s a keen knife—be careful with it.

natural

I’m not keen on spicy food, to be honest.

natural