Etymology From decease + -ed, from Middle English deceas via Old French [Term?], from Latin dēcessus (“departure”), equivalent to dēced-, variation of dēcēdō, dēcēdere (“to go away”).
1
No longer alive; dead.
1969, Monty Python, Dead Parrot Sketch That parrot is definitely deceased, and when I purchased it not 'alf an hour ago, you assured me that its total lack of movement was due to it bein' tired and shagged out following a prolonged squawk.
Publicity handouts from Dick's long-deceased record label would have us believe that he was born in Cleveland in 1952.1990, Wayne Jancik, The Billboard Book of One-Hit Wonders, →ISBN, page 272:
2
Belonging to the dead.
The executor's commission for winding up the deceased estate was 3.5%.
Excessive Overwhelmed to the point of being figuratively dead.
You look so good, I'm deceased!
I am deceased, my nuts have been busted.2021, Penelope Scott, “7 O'Clock” (track 1), in Hazards, performed by Penelope Scott:
1 more example
"So that's it? We're not going to talk anymore? I won't see you?" she asks through tears. "Oh, you'll see me," Deborah replies. "In court!" (OUCH.) Deborah walks away. And I am deceased.2022 June 2, Nick Caruso, “Hacks Season 2 Finale Recap: [Spoiler] Gets Fired, as Deborah's Special Finally Gets Off the Ground — Grade It!”, in TVLine, archived from the original on 08 Jun 2022:
Etymology From decease + -ed, from Middle English deceas via Old French [Term?], from Latin dēcessus (“departure”), equivalent to dēced-, variation of dēcēdō, dēcēdere (“to go away”).
1
Euphemistic Synonym of dead (“those who have died”).
The deceased was interred in his local churchyard.
a memorial to the deceased of two World Wars
2
Law 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.
Deceased had already made a will in his favour before her marriage, but—and Mr. Philips wagged an expressive forefinger—the prisoner was not aware of that. What had induced the deceased to make a fresh will, with the old one still extant, he could not say.1920, Agatha Christie, The Mysterious Affair at Styles, London: Pan Books, published 1954, page 153: