Similar word to shiftless:
apathetic, dallying, directionless, good-for-nothing, idle, inattentive, incompetent, indolent, lackadaisical, laggard, lagging, lethargic, lifeless, loafing, procrastinating, slack, slothful, unambitious, unenergetic, unindustrious, unmotivated
apathetic, dallying, directionless, good-for-nothing, idle, inattentive, incompetent, indolent, lackadaisical, laggard, lagging, lethargic, lifeless, loafing, procrastinating, slack, slothful, unambitious, unenergetic, unindustrious, unmotivated