purposeless, directionless, planless, rudderless, undirected, unsettled, vagabond, vagrant, drifting, adrift, more...

purposeful, directed, goal-oriented, targeted

rudderless, unmoored, disoriented, unfocused, drifting, more...

without purpose,   without direction,   with no purpose,   no direction,   lacking direction,   lacking purpose,   lost in life,   without a purpose,   having no direction,   without a goal