doomsday

[ doomz-dey ]

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.

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

/ 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

Word History and Origins

Origin of doomsday¹

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

Word History and Origins

Origin of doomsday¹

Old English dōmes dæg Judgment Day; related to Old Norse domsdagr

Example Sentences

In 2022 the Doomsday Clock still had 100 seconds on it when those two spoke.

From Salon

Meanwhile, the Doomsday Clock set by the Bulletin of the Atomic Scientists is now just 90 seconds away from apocalyptic midnight.

From Salon

At San Diego’s Comic-Con last week, Marvel unveiled its strategy: Robert Downey Jr. will return to the franchise as Doctor Doom to replace Kang in the new “Avengers” film, now dubbed “Avengers: Doomsday.”

From Los Angeles Times

The DA strongly opposes a deal between its three rivals, saying it would be a "Doomsday Coalition" that would turn South Africa into a "Zimbabwe or Venezuela".

From BBC

Antartica's Thwaites Glacier is also known as the "Doomsday Glacier" because it could great contribute to sea level rise if it collapses.

From Salon