Main entry: keenness, sharpness
Definition: thinness of edge or fineness of point
Main entry: sharpness, acuity, acuteness, keenness
Definition: a quick and penetrating intelligence
Usage: he argued with great acuteness; I admired the keenness of his mind
Main entry: avidity, avidness, keenness, eagerness
Definition: a positive feeling of wanting to push ahead with something