Grieve , ambitious, attached to, acute, acute, honed, biting, acute, cry, and greet are synonyms for keen; reluctant and apathetic are antonyms of keen. On this page, you will find 148 another word for keen.
1. eager
2. enthusiastic about
3. acute
4. acute
5. sharp
6. cold
7. intense
8. lament
She has a keen interest in astronomy.
His keen sense of smell detected trouble.
He showed a keen understanding of mathematics.
She possesses a keen eye for detail.