sharpness

/SH AA1 R P N AH0 S/
noun
  1. 1

    The cutting ability of an edge; keenness

  2. 2

    The fineness of the point a pointed object

  3. 3

    The product or result of being sharp.

  4. 4

    (of food etc) pungency or acidity

  5. 5

    (of an image) distinctness, focus

  6. 6

    (of intelligence) acuteness or acuity

  7. 7

    Edge or blade

Source: https://en.wiktionary.org/wiki/sharpness