Definition of "doomsdayer"

Someone in a crowd outside the barricaded chalet of the doomsdayers began a rocket-style countdown: “Five, four, three, two, one. …”

1960 July 15, “Leader of Doomsday Cult Admits He Made Mistake”, in The Daily Oklahoman, volume 69, number 192, Oklahoma City, Okla., page 30, column 3

“No way this one’s going to miss us this time,” burbles one bebooted doomsdayer to another.

1995 December 21, Tony Chamberlain, “We all love snow games: Some take time to play; others seize chance to panic”, in The Boston Globe, volume 248, number 174, Boston, Mass., page 91

For all the dire warnings doomsdayers like to trumpet about imminent societal collapse, reality suggests that we’re pretty far from a precipice.

2021 October 31, Ben Swenson, “A female-only dystopia, from the author of ‘Vox’”, in Daily Press, page 6