a state of violent disturbance and disorder (as in politics or social conditions generally); "the industrial revolution was a period of great turbulence"
harsh or severe speech or behavior; "men associate the roughness of nonstandard working-class speech with masculinity"; "the roughness of her voice was a signal to keep quiet"
a texture of a surface or edge that is not smooth but is irregular and uneven
having little or no weight or apparent gravitational pull; light; "floating freely in a weightless condition"; "a baby bat...fluffy and weightless as a moth"; "jackets made of a weightless polyester fabric"