Coarse'ness (kōrs'nĕs) noun The quality or state of being coarse; roughness; inelegance; vulgarity; grossness; as, coarseness of food, texture, manners, or language. 'The coarseness of the sackcloth.' Dr. H. More. « Pardon the coarseness of the illustrat... Found on http://www.encyclo.co.uk/webster/C/99