sharpness

noun

1.
a quick and penetrating intelligence
braininess glewness acuity acuteness keenness
Derived from:
sharp
2.
the attribute of urgency in tone of voice
edge
3.
a strong odor or taste property
bite pungency raciness
4.
the quality of being keenly and painfully felt
Derived from:
sharp
5.
thinness of edge or fineness of point
keenness
Antonym:
dullness
Derived from:
sharp
6.
the quality of being sharp and clear
distinctness
Antonym:
softness
Derived from:
sharp
7.
harshness of manner
asperity
Antonym:
dullness
Derived from:
sharp