doomsday

noun

dooms·​day ˈdümz-ˌdā 

often attributive

1

: a day of final judgment

2

: a time of catastrophic destruction and death

Examples of doomsday in a Sentence

a warning that doomsday is near

The book explores a doomsday scenario in which an asteroid hits the Earth.

Recent Examples on the Web

The National Weather Service had issued red flag warnings of doomsday gusts as fierce as 90 mph. —Alene Tchekmedyian, Los Angeles Times, 18 Jan. 2025

This underground doomsday bunker complex will act as a fortified sanctuary, setting the stage for a revolutionary new global network. —Jim Dobson, Forbes, 13 Jan. 2025

More-efficient technologies would reduce coal consumption, and then maybe the coal-less doomsday could be averted for a long time. —Greg Rosalsky, NPR, 4 Feb. 2025

For the first time in three years, the Bulletin of the Atomic Scientists moved the metaphorical clock up one second to 89 seconds before midnight, the theoretical doomsday mark. —Bill Hutchinson, ABC News, 28 Jan. 2025

Word History

First Known Use

before the 12th century, in the meaning defined at sense 1

Phrases Containing doomsday

• doomsday machine
• from now until doomsday

Kids Definition

doomsday

noun

dooms·​day ˈdümz-ˌdā 

: judgment day