- adrift, afloat, aimless, directionless, planless, rudderless, undirected - aimlessly drifting
Antonym: purposeful (indirect, via purposeless)
- aimless, drifting, floating, vagabond, vagrant - continually changing especially as from one abode or occupation to another; "a drifting double-dealer"; "the floating population"; "vagrant hippies of the sixties"
Antonym: settled (indirect, via unsettled)