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

Recent Examples on the Web

By now, the superlatives used to describe AI are endless—both as a path to a new day, and as a path to doomsday. — Kamau Bobb october 21, Literary Hub, 21 Oct. 2026

Since April 2023, over 400 bodies have been exhumed from shallow graves believed to be linked to Mackenzie’s doomsday cult. — Latoya Gayle, PEOPLE, 20 Oct. 2026

The leader of a Kenyan doomsday cult linked to more than 400 deaths was convicted Monday of murdering 190 children and one adult after ordering followers to starve themselves to death to meet Jesus. — Evelyne Musambi, Los Angeles Times, 20 Oct. 2026

And Marissa Mayer, the former Yahoo CEO who just launched Dazzle AI, has a wry take on some of the men now spouting doomsday rhetoric in Silicon Valley. — Diane Brady, Fortune, 16 Oct. 2026

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

Rhymes for doomsday

• airway
• allay
• archway
• array
• ashtray
• assez
• astray
• aue
• away
• ballet
• belay
• beltway

Kids Definition

doomsday

noun

dooms·​day ˈdümz-ˌdā 

: judgment day