Meaning of keen
Definition of keen
(adj)
having or demonstrating ability to recognize or draw fine distinctions; "an acute observer of politics and politicians"; "incisive comments"; "icy knifelike reasoning"; "as sharp and incisive as the stroke of a fang"; "penetrating insight"; "frequent penetrative observations"
intense or sharp; "suffered exquisite pain"; "felt exquisite pleasure"
very good; "he did a bully job"; "a neat sports car"; "had a great time at the party"; "you look simply smashing"; "we had a grand old time"