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Noun: keenness  keen-nus
  1. A quick and penetrating intelligence
    "I admired the keenness of his mind";
    - acuteness, acuity, sharpness
  2. A positive feeling of wanting to push ahead with something
    - eagerness, avidity, avidness
  3. Thinness of edge or fineness of point
    - sharpness

See also: sharp

Type of: configuration, conformation, contour, enthusiasm, form, intelligence, shape

Antonym: bluntness