The dead body in the dream could have several meanings depending on different circumstances in your life and the dream also. The dead body could indicate some situation in your life that is no longer important to you. Sometimes the dead body represents the people in your waking life that are not taking any part in your life anymore. The dead body of someone you know may signify the fact that you are afraid of losing this person or do not feel the connection with this individual as you had before.
Read more about dreaming of Dead body in other dream meanings interpretations.