A polite way of saying dead.
My great-great grandfather is deceased.
by Dylan Coolidge August 7, 2006
A term a lot of drag queens use. It can be used like the sayingDed”. You usually use it when you find something really funny.
Girl 1: Omg did u see her dress lol it was so weird!
Girl 2: DECEASED !
by Summermoonlight December 24, 2017
The house will not be yours till after your mother's decease.

by Mehrdad.Hosseiny January 24, 2009
Recently Dead.
my mom is deceased and so is my dad.
by Disappointing December 31, 2016
Deceasism isn't a word so not really a definition just dead or rich or something idk.
by Obamagon4730 February 15, 2021
cool, rad, hip, or sick
something that is just awesome
John: I am going on a European tour this whole summer.

Evert: That is so deceased!!!
by Arthur Finkelton June 14, 2009