Meaning ofkeenin English

Adjective

1. showing eagerness; enthusiastic and responsive (to something)
2. having a sharp edge or point; cutting
   The knife was very keen and cut through the meat easily.
3. mentally acute; highly perceptive
   She was a keen observer and noticed the small details.
4. cuttingly cold; piercing (like wind)
   The keen wind made it difficult to stay outside.
5. intensely passionate; strong feelings
   She had a keen interest in photography and spent hours taking pictures.