doomsday

/ˈduːmzˌdeɪ/
noun
  1. The day of the final judgment or end of the world, especially in religious belief.
    • The cult predicted doomsday would arrive on a specific date, but nothing happened.
    • Some people believe doomsday will come when a giant asteroid hits Earth.
    • Many ancient texts describe doomsday as a time of fire and judgment.
  2. A time or event that is seen as a final, catastrophic end or disaster.
    • If we don't reduce pollution, some scientists warn of an environmental doomsday.
    • The stock market crash felt like doomsday for many investors.
    • The team faced a doomsday scenario when their star player got injured.
Synonyms
adjective
  1. Relating to or suggesting the end of the world or a catastrophic disaster.
    • The movie depicted a doomsday landscape of ruined cities.
    • They built a doomsday bunker in their backyard to prepare for emergencies.
    • The doomsday clock is a symbol of how close humanity is to global catastrophe.
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