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undo - Meaning and Examples

Meaning of 'undo' (Webster Dictionary)

1 . Undo [ v. t.]
- To reverse, as what has been done; to annul; to bring to naught.
- To loose; to open; to take to piece; to unfasten; to untie; hence, to unravel; to solve; as, to undo a knot; to undo a puzzling question; to undo a riddle.
- To bring to poverty; to impoverish; to ruin, as in reputation, morals, hopes, or the like; as, many are undone by unavoidable losses, but more undo themselves by vices and dissipation, or by indolence.

Meaning of 'undo' (Princeton's WordNet)

1 . undo [ v]
Meaning (1):
- cause the ruin or downfall of
Example in sentence:
  • A single mistake undid the President and he had to resign
Meaning (2):
- cancel, annul, or reverse an action or its effect
Example in sentence:
  • I wish I could undo my actions
Meaning (3):
- remove the outer cover or wrapping of
Example in sentence:
  • Let's unwrap the gifts!;
  • undo the parcel
Meaning (4):
- cause to become loose
Example in sentence:
  • loosen the necktie;
  • undo the shoelace;
  • untie the knot

Nearby Words:

undam undampned undated undauntable undaunted unde undeadly undeaf undecagon undecane

See 'undo' also in:

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Related Definitions

  • undoing
    In psychoanalysis, undoing is a defense mechanism where a person engages in some (usually ritual) activity which he hopes will magically undo an earlier act of his that

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