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n. [ Cussed (for cursed) + -ness. ] Disposition to willful wrongdoing; malignity; perversity; cantankerousness; obstinacy. [ Slang or Colloq., U. S. ] [ Webster 1913 Suppl. ]

In her opinion it was all pure “cussedness.” Mrs. Humphry Ward. [ Webster 1913 Suppl. ]

Disputatiousness and perversity (what the Americans call “cussedness”). James Bryce. [ Webster 1913 Suppl. ]