adj. No longer aliveadj. Belonging to the dead.adj. : One who has died. In property law, the alternate term decedent is generally used. In criminal law, “the deceased” refers to the victim of a homicide.n. A dead personn. dead peoplen. : One who has died. In property law, the alternate term decedent is generally used. In criminal law, “the deceased” refers to the victim of a homicide.