Keen

Meanings

1. Having a sharp edge or point
2. Intellectually sharp; perceptive
3. Eager or enthusiastic

Example Sentences

• "She has a keen eye for detail that makes her an excellent editor."
• "The students were keen to participate in the science fair competition."
• "His keen observation helped the police solve the case quickly."

Etymology

From Old English 'cene' (bold, brave, wise), from Proto-Germanic '*kaniz' (knowledgeable). The sense shifted from 'brave' to 'sharp' over centuries.

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