Available Definitions:
1) n. - Roughness of surface; unevenness; -- opposed to smoothness.
2) n. - Roughness or harshness of sound; that quality which grates upon the ear; raucity.
3) n. - Roughness to the taste; sourness; tartness.
4) n. - Moral roughness; roughness of manner; severity; crabbedness; harshness; -- opposed to mildness.
5) n. - Sharpness; disagreeableness; difficulty.