stagnate -- (stand still; "Industry will stagnate if we do not stimulate our economy")
stagnate -- (cause to stagnate; "There are marshes that stagnate the waters")
stagnate -- (cease to flow; stand without moving; "Stagnating waters"; "blood stagnates in the capillaries")
idle, laze, slug, stagnate -- (be idle; exist in a changeless situation; "The old man sat and stagnated on his porch"; "He slugged in bed all morning")