"sharpness" in the noun sense
1. acuteness, acuity, sharpness, keenness
a quick and penetrating intelligence
"he argued with great acuteness"
"I admired the keenness of his mind"
2. edge, sharpness
the attribute of urgency in tone of voice
"his voice had an edge to it"
3. pungency, bite, sharpness, raciness
a strong odor or taste property
"the pungency of mustard"
"the sulfurous bite of garlic"
"the sharpness of strange spices"
"the raciness of the wine"
4. sharpness
the quality of being keenly and painfully felt
"the sharpness of her loss"
5. sharpness, keenness
thinness of edge or fineness of point
6. distinctness, sharpness
the quality of being sharp and clear
7. asperity, sharpness
harshness of manner
Source: WordNet® (An amazing lexical database of English)
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