keenness Meaning, Definition & Usage

1. noun a quick and penetrating intelligence
   sharpness; acuteness; acuity.
   
   • he argued with great acuteness
   • I admired the keenness of his mind
2. noun a positive feeling of wanting to push ahead with something
   avidity; avidness; eagerness.
   
3. noun thinness of edge or fineness of point
   sharpness.
   

WordNet