undoing (Noun) — An act that makes a previous act of no effect (as if not done).
undoing (Noun) — Loosening the ties that fasten something.
undoing (Verb) — Cancel, annul, or reverse an action or its effect. ex. "I wish I could undo my actions"
undoing (Verb) — Deprive of certain characteristics. ex. "God himself cannot unmake the past or undo what is done"
undoing (Verb) — Cause the ruin or downfall of. ex. "A single mistake undid the President and he had to resign"
undoing (Verb) — Cause to become loose. ex. "undo the shoelace"
undoing (Verb) — Remove the outer cover or wrapping of. ex. "undo the parcel"