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From Middle English domes + dai, from Old English dom (judgment) + dæg (day). Equivalent to doom +‎ -s- +‎ day. Possibly influenced by Latin domus dei (house of God).


  • IPA(key): /ˈduːmz.deɪ/
  • Audio (US):(file)
  • Rhymes: -uːmzdeɪ
  • Hyphenation: dooms‧day



doomsday (countable and uncountable, plural doomsdays)

  1. The day when God is expected to judge the world; the end times.
  2. Judgement day; the day of the Final Judgment; any day of decisive judgement or final dissolution.
  3. Any day of great death and destruction; end of the world; an apocalypse.
  4. Any of the memorable dates used in the doomsday rule for computing weekdays from dates.



Derived terms



The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.



doomsday (not comparable)

  1. Concerned with or predicting future universal destruction.
  2. Given to or marked by forebodings or predictions of impending calamity.
    • 2001, David L. Lieber, Jules Harlow, Etz Hayim: Torah and Commentary, page 867:
      The Sages chose to end the haftarah with this message of hope, in contrast to the episode's last verse with its doomsday warning that "if you persist in your wrongdoing, both you and your king shall be swept away."
  3. Capable of causing widespread or total destruction.

Derived terms

Terms derived from the adjective "doomsday"