noun (n)

• a quick and penetrating intelligence(noun.cognition)

  Synonym:
  acuity, acuteness, keenness
  

  source: wordnet30
• the attribute of urgency in tone of voice(noun.attribute)

  Synonym:
  edge
  

  source: wordnet30
• a strong odor or taste property(noun.attribute)

  Example:
  The sharpness of strange spices.
  

  Synonym:
  bite, pungency, raciness
  

  source: wordnet30
• the quality of being keenly and painfully felt(noun.attribute)

  Example:
  The sharpness of her loss.
  

  source: wordnet30
• thinness of edge or fineness of point(noun.attribute)

  Synonym:
  keenness
  

  source: wordnet30
• the quality of being sharp and clear(noun.attribute)

  Synonym:
  distinctness
  Antonym:
  blurriness, fogginess, fuzziness, indistinctness, softness
  

  source: wordnet30
• harshness of manner(noun.attribute)

  Synonym:
  asperity
  Antonym:
  bluntness, dullness
  

  source: wordnet30
• The quality or condition of being sharp; keenness; acuteness.(noun)

  source: webster1913