[sad] adj sad.der ; sad.dest [ME, fr. OE saed sated; akin to OHG sat sated, L satis enough] (13c) 1 a: affected with or expressive of grief or unhappiness: downcast b (1): causing or associated with grief or unhappiness: depressing "~ news" (2): regrettable, deplorable "a ~ relaxation of morals --C. W. Cunnington" c: of little worth
2: of a dull somber color -- sad.ly adv -- sad.ness n