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

In an age of gloomy doomsday tweets that crow their predictions of exactly how the world is ending, Petri approaches her material sideways — as it happens, like a crab.

From Washington Post

In "The Doomsday Machine," he shares exceptional insights from working for the doomsday system as an insider and then working to defuse it as an outsider.

From Salon

She is not planning to move, nor is she preparing for doomsday.

From New York Times

After this weekend, a doomsday clock should start: a countdown to the reasonable expectation of Washington having a life expectancy past April and grabbing a No. 6 seed or higher.

From Washington Post

Watching Donald Trump weave his doomsday warnings into his self-centered rant Tuesday night drove home just how much like Koresh he really is — and how blinded those who follow him are.

From Salon