- adrift, afloat, aimless, directionless, planless, rudderless, undirected - aimlessly drifting
Antonym: purposeful (indirect, via purposeless)
- adrift, drifting - afloat on the surface of a body of water; "after the storm the boats were adrift"
Antonym: aground (indirect, via sunken, afloat)
Antonyms: sunken, submerged (indirect, via afloat, aground)