doomsday

American  

[doomz-dey] / ˈdumzˌdeɪ /

noun

1. Theology.  the day of the Last Judgment, at the end of the world.

2. any day of judgment or sentence.

3. nuclear destruction of the world.

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adjective

1. given to or marked by forebodings or predictions of impending calamity; especially concerned with or predicting future universal destruction.

   the doomsday issue of all-out nuclear war.

2. capable of causing widespread or total destruction.

   doomsday weapons.

doomsday British  

/ ˈduːmzˌdeɪ /

noun

1. (sometimes capital) the day on which the Last Judgment will occur

2. any day of reckoning

3. (modifier) characterized by predictions of disaster

   doomsday scenario

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Etymology

Origin of doomsday

First recorded before 1000; Middle English domes dai, Old English dōmesdæg “Judgment Day”; equivalent to doom ( def. ) + 's ¹ ( def. ) + day ( def. )

Example Sentences

"The doomsday scenario for England and Wales is that they could both be out before they play each other in the third game."

From BBC

The suspect accused of fatally shooting a Minnesota lawmaker and her husband in a gun rampage last week was a doomsday "prepper", according to the FBI.

From BBC

This narrative is most common in superhero genres, Western genres, we see it in vigilante films, disaster films and doomsday films, but it's even more pervasive than that.

From Salon

Google is funding short films that move away from AI doomsday scenarios and examine potential benefits of the technology.

From Los Angeles Times

“They were looking for stories that were not doomsday tales about AI, which I was fine with, because I think we’ve seen so many of those,” Douglas told The Times.

From Los Angeles Times