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Noun: undoing  ,ún'doo-ing
  1. An act that makes a previous act of no effect (as if not done)
     
  2. Loosening the ties that fasten something
    - untying, unfastening
Verb: undo (undid,undone)  ,ún'doo
  1. Cancel, annul, or reverse an action or its effect
    "I wish I could undo my actions"
     
  2. Deprive of certain characteristics
    "God himself cannot unmake the past or undo what is done";
    - unmake
     
  3. Cause the ruin or downfall of
    "A single mistake undid the President and he had to resign"
     
  4. Cause to become loose
    "undo the shoelace";
    - untie
     
  5. Remove the outer cover or wrapping of
    "undo the parcel";
    - unwrap

Derived forms: undoings

Type of: about-face, alter, change, change by reversal, expose, laxation, loosening, modify, policy change, reversal, reverse, ruin, turn, uncover, volte-face

Encyclopedia: Undoing

Undo