What does "asperity" mean?

Asperity: Roughness or harshness of sound; that quality which grates upon the ear; raucity.

Additional senses

  1. 2.Roughness to the taste; sourness; tartness.
  2. 3.Moral roughness; roughness of manner; severity; crabbedness; harshness; -- opposed to mildness. "Asperity of character." Landor. It is no very cynical asperity not to confess obligations where no benefit has been received. Johnson.
  3. 4.Sharpness; disagreeableness; difficulty. The acclivities and asperities of duty. Barrow. See Acrimony.

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