adjective
keen
eager and enthusiastic
In more detail
1. (adjective) very interested in something; eager
2. (adjective) having a sharp edge or point
3. (adjective) able to notice small differences; sharp (of senses or mind)
Examples
- 1. She is keen on learning new languages.
- 2. The knife has a keen blade.
- 3. He has keen eyesight and noticed the tiny error.
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