doomsday

noun

dooms·​day ˈdümz-ˌdā How to pronounce doomsday (audio)
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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
For within weeks of the book’s publication, Hopkins and two other researchers confounded mathematicians by announcing that Snaith’s warning to readers had been all too apt: The doomsday hypothesis was true. Erica Klarreich, Quanta Magazine, 5 May 2025 However, Israel reserves these strategic missiles for a doomsday scenario involving the use of its undeclared nuclear weapons rather than for conventional strikes and wars. Paul Iddon, Forbes.com, 1 May 2025 As the boos began to rain down in the third period of Game 5, the Leafs doomsday clock ticked a few seconds closer to midnight. Joshua Kloke, New York Times, 30 Apr. 2025 Stanford Research Park, however, has defied the doomsday trends. Mark Dent, HubSpot, 25 Apr. 2025 See All Example Sentences for doomsday

Word History

First Known Use

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

Time Traveler
The first known use of doomsday was before the 12th century

Browse Nearby Words

Cite this Entry

“Doomsday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/doomsday. Accessed 19 May. 2025.

Kids Definition

doomsday

noun
dooms·​day ˈdümz-ˌdā How to pronounce doomsday (audio)

More from Merriam-Webster on doomsday

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!