Thesaurus.com
Dictionary.com
Definitions

doomsday

[doomz-dey] / ˈdumzˌdeɪ /
NOUN
Day of Judgment
Synonyms
WEAK
Judgment Day Last Day Last Judgment day of reckoning the Judgment
NOUN
day of reckoning
Synonyms
WEAK
Day of Judgment Judgment Day Last Judgment crack of doom day of doom doom end of the world trumpet of doom
NOUN
Judgment Day
Synonyms
WEAK
Day of Judgment Last Day Last Judgment court of conscience crack of doom end of the world the Judgment tribunal of penance

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“If anything, we’re drenched in the legacy of this music. We’re optimists. I’m not ran by no doomsday clock. When we perform shows, people say, ‘You give me hope.

From Los Angeles Times • Mar. 31, 2026

In 1961, Time magazine ran the doomsday headline External link “Business: The Automation Jobless.”

From Barron's • Mar. 27, 2026

One of them, XPrize & Singularity University founder and chair Peter H. Diamandis, just launched a $3.5 million fund to promote optimistic sci-fi films to counter the AI doomsday narrative.

From Salon • Mar. 26, 2026

Also read: The ‘smart money’ fled software stocks after that viral AI doomsday report.

From MarketWatch • Mar. 20, 2026

“You said this—this doomsday show was Gaea’s idea?”

From "The Mark of Athena" by Rick Riordan

Vocabulary lists containing doomsday

"The Tragedy of Romeo and Juliet," Vocabulary from Act 3

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!