Source : Webster's Revised Unabridged Dictionary (1913)

Crookedness \Crook"ed*ness\, n.
   The condition or quality of being crooked; hence, deformity
   of body or of mind; deviation from moral rectitude;
   perverseness.

Source : WordNet®

crookedness
     n 1: a tortuous and twisted shape or position; "they built a tree
          house in the tortuosities of its boughs"; "the acrobat
          performed incredible contortions" [syn: {tortuosity}, {tortuousness},
           {torsion}, {contortion}]
     2: having or distinguished by crooks or curves or bends or
        angles [ant: {straightness}]
     3: the quality of being deceitful and underhanded [syn: {deviousness}]