Synonyms and related words :
dawdle, dawdler, drone, foot-dragger, goldbrick, goof-off, laggard, lie-abed, lingerer, loiterer, plodder, procrastinator, sleeper, sleeping beauty, sleepwalker, slow goer, slow-foot, slowbelly, slowpoke, slug, slugabed, sluggard, snail, somnambulist, somniloquist, stick-in-the-mud, tortoise