sadness
sad.ness \'sad-n*s\ n : quality, state, or fact of being sadM, GLOOM: SADNESS is a general term that carries no suggestion of the cause, extent, or exact nature of low spirits; DEPRESSION suggests a condition in which one feels let down, disheartened, or enervated; MELANCHOLY suggests a mood of sad and serious but not wholly unpleasant pensiveness; MELANCHOLIA applies to a settled deep depression verging on insanity; DEJECTION implies a usu. passing mood of being downcast or dispirited from a natural or logical cause; GLOOM applies to the atmosphere or the effect on others created by one afflicted with any of these moods or conditions SYN syn DEPRESSION, MELANCHOLY, MELANCHOLIA, DEJECTION)
Webster's English Dictionary