sharpness

noun

1. a quick and penetrating intelligence"he argued with great acuteness"
2. the attribute of urgency in tone of voice"his voice had an edge to it"
3. a strong odor or taste property"the pungency of mustard"
4. the quality of being keenly and painfully felt"the sharpness of her loss"
5. thinness of edge or fineness of point
6. the quality of being sharp and clear
7. harshness of manner