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

  • v. Present participle of undo.
  • n. The act of unfastening or loosening.
  • n. Ruin; destruction.
  • n. The act of bringing to ruin.
  • n. A cause or source of ruin; downfall: Greed was his undoing.
  • n. The act of reversing or annulling something accomplished; a cancellation.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. That which defeats.
  • v. Present participle of undo.

from the GNU version of the Collaborative International Dictionary of English

  • n. The reversal of what has been done.
  • n. Ruin.

from The Century Dictionary and Cyclopedia

  • n. The reversal of what has been done: as, there is no undoing of the past.
  • n. Ruin; destruction.

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

  • n. loosening the ties that fasten something
  • n. an act that makes a previous act of no effect (as if not done)


Sorry, no etymologies found.



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