roughness

noun

1.
a texture of a surface or edge that is not smooth but is irregular and uneven
Antonym:
smoothness
Derived from:
rough
2.
the quality of being harsh or rough or grating to the senses
Derived from:
rough
3.
an unpolished unrefined quality
Derived from:
rough
4.
used of the sea during inclement or stormy weather
Derived from:
rough
6.
the formation of small pits in a surface as a consequence of corrosion
7.
harsh or severe speech or behavior