Definition of "doomsayer"

Even from the doomsayers you hear reflections of hope. Nobody wants "it" to happen. In his darkest moments, man is aware that, while he may be limited, humankind need not be.

1970, Frank Herbert, New world or no world, page 141

4: THE DOOMSAYERS¶ So many people have written so many books and articles forecasting doom at the end of the twentieth century that we cannot possibly do credit to all of them here.

1983, John R. Gribbin, Stephen H. Plagemann, Beyond the Jupiter effect, page 76

He is not a doomsayer or a conspiracy theorist. A ceramist, Mr. Kunze simply inhabits a longer view of history, one in which humans are the dinosaurs, facing down a probable extinction.

2020 December 31, Lauren Jackson, “News That Can Last a Million Years”, in The New York Times‎

Critics of the doomsayers, meanwhile, are becoming more outspoken.

2023 November 25, Richard Waters, John Thornhill, “Tech's philosophical rift over AI”, in FT Weekend, Big Read, page 6