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
Aschbacher celebrated a recent rideshare agreement that will see ESA's Ramses spacecraft and Japan's Destiny+ mission launch together on a Japanese H3 rocket to study the former doomsday asteroid Apophis ahead of its 2029 close encounter with Earth.
—
Andrew Jones, Space.com, 3 Oct. 2025
This doomsday scenario is known as the Kessler syndrome, named after the American astrophysicist Donald Kessler, who in 1976 began circulating his first notices at NASA about possible runaway orbital debris.
—IEEE Spectrum, 30 Sep. 2025
Right now - from religion to climate change to doomsday prepping - there's a lot of talk about the end of the world.
—Brittany Luse, NPR, 26 Sep. 2025
In 2020's Greenland, Gerard Butler's John Garrity, his estranged wife Allison (Morena Baccarin), and their young son Nathan (Roger Dale Floyd) narrowly escape an apocalyptic comet, finding shelter deep underground in a militarized doomsday bunker moments before impact.
—Mike Miller, Entertainment Weekly, 25 Sep. 2025
See All Example Sentences for doomsday
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Andrew Jones, Space.com, 3 Oct. 2025
This doomsday scenario is known as the Kessler syndrome, named after the American astrophysicist Donald Kessler, who in 1976 began circulating his first notices at NASA about possible runaway orbital debris.
—IEEE Spectrum, 30 Sep. 2025
Right now - from religion to climate change to doomsday prepping - there's a lot of talk about the end of the world.
—Brittany Luse, NPR, 26 Sep. 2025
In 2020's Greenland, Gerard Butler's John Garrity, his estranged wife Allison (Morena Baccarin), and their young son Nathan (Roger Dale Floyd) narrowly escape an apocalyptic comet, finding shelter deep underground in a militarized doomsday bunker moments before impact.
—Mike Miller, Entertainment Weekly, 25 Sep. 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 9 Oct. 2025.
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doomsday
noun
dooms·day
ˈdümz-ˌdā 
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