| roughness | (n) a texture of a surface or edge that is not smooth but is irregular and uneven, Syn. raggedness, Ant. smoothness |
| roughness | (n) harsh or severe speech or behavior, Example: men associate the roughness of nonstandard working-class speech with masculinity; the roughness of her voice was a signal to keep quiet |
| Roughness | n. The quality or state of being rough. [ 1913 Webster ] |