Aimless
Part of speech: adjective
Definition: Without aim, purpose, or direction.
Example sentence: We live in an age of generational turmoil. Baby-boom parents are accused of clinging on to jobs and houses which they should be freeing up for their children. Twentysomethings who can't afford to leave home and can't get jobs are attacked as aimless and immature.
Rudderless
Part of speech: adjective
Definition: Without a rudder. unsteerable, without guidance.