(a)sadexperiencing or showing sorrow or unhappiness“feeling sad because his dog had died”, “Better by far that you should forget and smile / Than that you should remember and be sad” (Christina Rossetti)
(s)sadof things that make you feel sad“sad news”, “she doesn't like sad movies”, “it was a very sad story”, “When I am dead, my dearest, / Sing no sad songs for me” (Christina Rossetti)
(s)deplorable, distressing, lamentable, pitiful, sad, sorrybad; unfortunate“my finances were in a deplorable state”, “a lamentable decision”, “her clothes were in sad shape”, “a sorry state of affairs”