WordWeb Online

1. Aimlessly drifting
   - afloat, aimless, directionless, planless, rudderless, undirected
    
2. Afloat on the surface of a body of water
   "after the storm the boats were adrift"

1. Floating freely; not anchored
   "the boat wasset adrift"
    
2. Off course, wandering aimlessly
   "there was a search for beauty that had somehow gone adrift"

See also: afloat, purposeless

Encyclopedia: Adrift