from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Judgment Day.
  • idiom til For all time; forever.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Concerned with or predicting future universal destruction.
  • adj. Given to or marked by forebodings or predictions of impending calamity.
  • adj. Capable of causing widespread or total destruction; doomsday weapon.
  • n. The day when God is expected to judge the world; end times.
  • n. judgement day; the day of the Final Judgment; any day of decisive judgement or final dissolution.

from the GNU version of the Collaborative International Dictionary of English

  • n. A day of sentence or condemnation; day of death.
  • n. The day of the final judgment.

from The Century Dictionary and Cyclopedia

  • n. The day of the last judgment.
  • n. Any day of sentence or condemnation.
  • n. [capitalized] The Doomsday Book (see below), or a record similar to it, as the Exon Doomsday, contemporary with it, preserved in Exeter cathedral.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. an unpleasant or disastrous destiny
  • n. (New Testament) day at the end of time following Armageddon when God will decree the fates of all individual humans according to the good and evil of their earthly lives


Middle English domesday, from Old English dōmes dæg : dōmes, genitive of dōm, judgment; see doom + dæg, day; see day.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Middle English domes + dai, from Old English dom ("judgment") + dæg ("day") (Wiktionary)



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  • If I don't get back to work, it'll be today.

    October 13, 2007

  • 6/6/66. We all gon' die.

    October 13, 2007

  • Where did this date come from? Nostradamus?

    October 13, 2007

  • June 6, 2066. Will I even still be alive?

    February 15, 2007