doomer

noun5

1. •
   A doom-and-gloomer; a pessimist.

   • I am not normally a pessimist, not by nature one of the doomers of this world whereas Cashem seems to be getting worse and worse. What did he mean by ‘attempt’? — 2004
2. •
   One who believes that petroleum depletion will inevitably lead to a severe recession or depression, followed by a Malthusian catastrophe.

   • Those who suggest the likely return of the four horsemen of the apocalypse (famine, pestilence, war, and death) are more vocal than ever before despite being labeled Malthusian or just "doomer." — 2009
3. •
   Someone who is apathetic or has a negative prospect towards the world.
4. •
   A techno-pessimist, in particular concerning artificial intelligence.

   • To this day, some doomers work on the inside, nudging the big A.I. labs toward caution, and some work on the outside, arguing that the big A.I. labs should not exist. — 2024
5. •
   (no longer used, rare) One who, or that which, dooms, or pronounces a sentence; a judge.

   • Are not the heauens doomers of mens deedes? — 1590

noun1

1. •
   (informal) A player of the video game Doom.

   • I am not a female Doomer, but I did "catch" my fiance playing Doom the other day. It led us to a discussion of why ID didn't put the option in to choose a female character. — 1994