Keen and Zealous

Keen adjective - Able to sense slight impressions or differences.

Zealous is a synonym for keen in enthusiastic topic. In some cases you can use "Zealous" instead an adjective "Keen", when it comes to topics like behaviour, eager, concern. popular alternative

Nearby Words: keenness, keenly

Zealous adjective - Marked by active interest and enthusiasm.

Keen is a synonym for zealous in concern topic. You can use "Keen" instead an adjective "Zealous", if it concerns topics such as enthusiastic, committed. popular alternative

Nearby Words: zeal, zealously, zealot