aimless
     adj 1: aimlessly drifting [syn: {adrift(p)}, {afloat(p)}, {directionless},
             {planless}, {rudderless}, {undirected}]
     2: continually changing especially as from one abode or
        occupation to another; "a drifting double-dealer"; "the
        floating population"; "vagrant hippies of the sixties"
        [syn: {drifting}, {floating}, {vagabond}, {vagrant}]
Source: WordNet® 2.0