undo

1. v. t. To reverse, as what has been done; to annul; to bring to naught. Source: opted

2. v. t. 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. Source: opted

3. v. t. 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. Source: opted

4. v. cancel, annul, or reverse an action or its effect Source: wordnet

5. v. deprive of certain characteristics Source: wordnet

6. v. cause the ruin or downfall of Source: wordnet

7. v. cause to become loose Source: wordnet

8. v. remove the outer cover or wrapping of Source: wordnet

9. 1. To reverse, as what has been done; to annul; to bring to naught. What's done can not be undone. Shak. To-morrow, ere the setting sun, She 'd all undo that she had done. Swift. 2. 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. Tennyson. Pray you, undo this button. Shak. She took the spindle, and undoing the thread gradually, measured it. Sir W. Scott. 3. 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. That quaffing and drinking will undo you, Shak. Source: webster

10. v:100 v. cancel, annul, or reverse an action or its effect v. cause the ruin or downfall of Source: ecdict

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