Source : Webster's Revised Unabridged Dictionary (1913)

Cussedness \Cuss"ed*ness\, n. [Cussed (for cursed) + -ness.]
   Disposition to willful wrongdoing; malignity; perversity;
   cantankerousness; obstinacy. [Slang or Colloq., U. S.]

         In her opinion it was all pure ``cussedness.'' --Mrs.
                                                  Humphry Ward.

         Disputatiousness and perversity (what the Americans
         call ``cussedness'').                    --James Bryce.

Source : WordNet®

cussedness
     n : mean-spirited disagreeable contrariness [syn: {orneriness}]