shakiness

shakiness (http://definr.com/shakiness)

     n 1: a shaky motion; "the shaking of his fingers as he lit his
          pipe" [syn: shaking, trembling, quiver, quivering,
           vibration, palpitation]
     2: the quality of being unstable and insecure; "the shakiness
        of the present regime" [syn: ricketiness]