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Noun: acuteness  u'kyoot-nus
  1. A sensitivity that is keen and highly developed
    "dogs have a remarkable acuteness of smell"
  2. A quick and penetrating intelligence
    "he argued with great acuteness";
    - acuity, sharpness, keenness
  3. The quality of having a sharp edge or point

Type of: intelligence, keenness, sensibility, sensitiveness, sensitivity, sharpness

Antonym: obtuseness