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Meaning of undoing

un•do•ing

Pronunciation: (un-d'ing), [key]
— n.
  1. the reversing of what has been done; annulling.
  2. a bringing to destruction, ruin, or disaster.
  3. a cause of destruction or ruin.
  4. the act of unfastening or loosing.
  5. an unconscious defense mechanism through which an attempt is made to reverse a psychologically unacceptable act by doing its opposite, usually repetitiously, in order to relieve anxiety.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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