aimlessmainlydisapprovingHe was just aimless and confused after being let go from his position.
directionlessThe party was plagued with weak and directionless leaders who had no clue how to govern.
purposelessThe job left him feeling unfulfiled and purposeless.
adriftHis son has just been utterly adrift since leaving university.
emptyAfter losing him, I just feel empty inside.
desultoryformalWe tired of his desultory chatter immediately.
idle“I heard they’re getting a divorce?” “Oh, come off it: that’s just idle speculation.”