doomer
/ˈduːmə(ɹ)/noun
RareNot in standard dictionaries
1
One who believes that petroleum depletion will inevitably lead to a severe recession or depression, followed by a Malthusian catastrophe.
2
Someone who is apathetic or has a negative prospect towards the world.
3
A techno-pessimist, in particular concerning artificial intelligence.
4
One who, or that which, dooms or pronounces sentence; judge.
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#neologism#rare