Source : Webster's Revised Unabridged Dictionary (1913)

Coarseness \Coarse"ness\ (k[=o]rs"n[e^]s), n.
   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 illustration.
                                                  --L'Estrange.

         A coarseness and vulgarity in all the proceedings.
                                                  --Burke.

Source : WordNet®

coarseness
     n 1: the quality of being composed of relatively large particles
          [syn: {graininess}, {granularity}]
     2: looseness or roughness in texture (as of cloth) [syn: {nubbiness},
         {tweediness}]
     3: the quality of lacking taste and refinement [syn: {commonness},
         {grossness}, {vulgarity}, {vulgarism}, {raunch}]