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.

Synonym of dead (those who have died).

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