Definition of "Roughness" :

noun: harsh or severe speech or behavior

"Men associate the roughness of nonstandard working-class speech with masculinity."

noun: an unpolished unrefined quality

noun: a texture of a surface or edge that is not smooth but is irregular and uneven

noun: the quality of being harsh or rough or grating to the senses

noun: the formation of small pits in a surface as a consequence of corrosion

noun: rowdy behavior

noun: used of the sea during inclement or stormy weather