Synonyms for Lazy (same or very similar meaning)
WordNet sense 1 (not moving quickly; taking a comparatively long time):
slowWordNet sense 2 (disinclined to work or exertion):
faineant, indolent, otiose, slothful, work-shyWordNet sense 3 (not in action or at work):
idleFrom the ODE community, based on WordNetadd/edit