1.Definition: a positive feeling of wanting to push ahead with something

Related Noun(s):avidity, avidness, eagerness

Category: Feelings

2.Definition: a quick and penetrating intelligence

"He argued with great acuteness", "I admired the keenness of his mind"

Related Noun(s):acuity, acuteness, sharpness

Category: General

3.Definition: thinness of edge or fineness of point

Related Noun(s):sharpness

Category: General