What is the meaning of sharpness?

noun

• A quick and penetrating intelligence.
  • usage: "he argued with great acuteness"; "I admired the keenness of his mind"
  • synonyms: acuteness, acuity, keenness
• The attribute of urgency in tone of voice.
  • usage: "his voice had an edge to it"
  • synonyms: edge
• A strong odor or taste property.
  • usage: "the pungency of mustard"; "the sulfurous bite of garlic"; "the sharpness of strange spices"; "the raciness of the wine"
  • synonyms: pungency, bite, raciness
• The quality of being keenly and painfully felt.
  • usage: "the sharpness of her loss"
• Thinness of edge or fineness of point.
  • synonyms: keenness
• The quality of being sharp and clear.
  • synonyms: distinctness
• Harshness of manner.
  • synonyms: asperity