Idle, slothful, shiftless, inactive, sluggish, languorous, torpid, slow-moving, heavy, plodding, negligent, lax, impassive, do-nothing, bone idle, otiose, indolent, work-shy, loafing, inert, lethargic, listless, enervated, slow, dull, remiss, slack, lackadaisical, good-for-nothing, leisurely, and fainéant.