double-minded

from The Collaborative International Dictionary of English v.0.48

Double-minded \Dou"ble-mind"ed\, a.
   Having different minds at different times; unsettled;
   undetermined.
   [1913 Webster]

         A double-minded man is unstable in all his ways. --Jas.
                                                  i. 8.
   [1913 Webster]