keen1 S3 W3
wanting to do something or wanting something to happen very much [= eager]
want somethingespecially British English
keen to do something
He told me that he was keen to help.
keen on doing something
I wasn't keen on going there on my own.
keen for something to happen
The government is keen for peace talks to start again.
The chairman is keen that the company should expand its product range.
to like someone or something:
likeBritish English spoken
I'm not keen on cabbage.
not too/not very/not that keen on something
She likes Biology, but she's not too keen on Physics.
My flatmates want to have a party, but I'm not keen on the idea.
someone who is keen on something is very interested in it or enjoys doing it very much:
hobby/interestespecially British English
a keen photographer
Daniel's very keen on tennis.
mad keen on something (=very keen on something) spoken:
I was mad keen on dinosaurs when I was little.
She takes a keen interest in politics and current affairs.
someone who is keen is eager to work or learn and enjoys doing it:
eager to work/learn
The kids in my class are all very keen.
She was new in the job and keen as mustard (=very keen).
a keen sense of smell or keen sight or hearing is an extremely good ability to smell etc:
Dogs have a very keen sense of smell.
She has a keen eye for (=is good at noticing) talent.
someone with a keen mind is quick to understand things:
a keen understanding of commerce
With her keen mind and good business sense, she soon became noticed.
a keen feeling is one that is strong and deep:
As she walked away, Joe felt a keen sense of loss.
used to describe a situation in which people compete strongly:
We won the contest in the face of keen competition.
to be sexually attracted to someone
a keen knife or blade is extremely sharp
a keen wind is cold and strong
keen prices are low
I was keenly aware of the dangers.
—keenness noun [uncountable]