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Meaning of UNDO

Pronunciation:  un'doo

WordNet Dictionary
  1. [v]  remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel"
  2. [v]  cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie"
  3. [v]  cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"
  4. [v]  deprive of certain characteristics
  5. [v]  cause the ruin or downfall of; "A single mistake undid the President and he had to resign"

UNDO is a 4 letter word that starts with U.


 Synonyms: loosen, unmake, untie, unwrap
 Antonyms: do, make, wrap, wrap up
 See Also: alter, change, change by reversal, destroy, destruct, disconnect, disentangle, expose, open, reverse, ruin, spread, spread out, turn, unbelt, unbrace, unbraid, unbuckle, unbutton, unclip, uncover, unfasten, unfold, unhitch, unknot, unlace, unpick, unpin, unplug, unravel, unscramble, unstaple, unstrap, untangle, unwind, unwire



Webster's 1913 Dictionary
\Un*do"\, v. t. [AS. und?n. See 1st {Un-}, and Do to
1. To reverse, as what has been done; to annul; to bring to

         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.

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.