Asperity

Webster's Dictionary of the English Language

·noun Sharpness; disagreeableness; difficulty.

II. Asperity ·noun Roughness to the taste; sourness; tartness.

III. Asperity ·noun Roughness of surface; unevenness;

— opposed to smoothness.

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

V. Asperity ·noun Moral roughness; roughness of manner; severity; crabbedness; harshness;

— opposed to mildness.