(a.) Lacking ambition; inefficient; lazy\; destitute of expedients, or not using successful expedients; characterized by failure, especially by failure to provide for one's own support, through negligence or incapacity; hence, lazy; improvident; thriftless; as, a shiftless fellow; shiftless management.

aimless bone-lazy cadging dilatory do-nothing doless dronish drony easy ergophobic faineant feckless good-for-nothing grasshopper happy-go-lucky heedless idle improvident indolent ineffective irresponsible lackadaisical laggard lax lazy negligent nonaggressive otiose parasitic pococurante procrastinative remiss scrounging slack slothful slow sponging thoughtless thriftless unambitious uncaring uneconomical unenterprising uninspired unmotivated unproviding unthrifty work-shy