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
Republicans fear doomsday scenario in Tennessee special election Republicans have urged people to vote in the Tennessee special election, suggesting they may be concerned the party is poised to lose.
—
Hannah Parry, MSNBC Newsweek, 2 Dec. 2025
The philosopher Toby Ord has claimed that humanity has a one-in-six chance of being wiped out this century, and the author Jared Diamond has argued that there is a 49 percent chance of doomsday arriving by 2050.
—Linda Kinstler, The Atlantic, 1 Dec. 2025
Some of Orvis’ (very large) square footage is cliché for a doomsday bunker — but not much.
—Tony Maglio, HollywoodReporter, 25 Nov. 2025
Poseidon had been described as a doomsday weapon that is designed to create a massive radioactive tsunami by detonating near coastal targets.
—Abhishek Bhardwaj, Interesting Engineering, 3 Nov. 2025
See All Example Sentences for doomsday
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Hannah Parry, MSNBC Newsweek, 2 Dec. 2025
The philosopher Toby Ord has claimed that humanity has a one-in-six chance of being wiped out this century, and the author Jared Diamond has argued that there is a 49 percent chance of doomsday arriving by 2050.
—Linda Kinstler, The Atlantic, 1 Dec. 2025
Some of Orvis’ (very large) square footage is cliché for a doomsday bunker — but not much.
—Tony Maglio, HollywoodReporter, 25 Nov. 2025
Poseidon had been described as a doomsday weapon that is designed to create a massive radioactive tsunami by detonating near coastal targets.
—Abhishek Bhardwaj, Interesting Engineering, 3 Nov. 2025
See All Example Sentences for doomsday
Cite this Entry
“Doomsday.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/doomsday. Accessed 8 Dec. 2025.
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doomsday
noun
dooms·day
ˈdümz-ˌdā 
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