What is the meaning of Deceased?

No longer alive; dead.

Belonging to the dead.

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.

Overwhelmed to the point of being figuratively dead.

A dead person.

One who has died. In property law, the alternate term decedent is generally used in US English. In criminal law, “the deceased” refers to the victim of a homicide.

Source: wiktionary.org