Definitions of undoing
  1. noun
    an act that makes a previous act of no effect (as if not done)
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    type of:
    about-face, policy change, reversal, volte-face
    a major change in attitude or principle or point of view
  2. noun
    loosening the ties that fasten something
    synonyms: unfastening, untying
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    type of:
    laxation, loosening
    the act of making something less tight
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