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undo meaning

[ 'ʌn'du: ] Pronunciation:   "undo" in a sentence
  • 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
      - 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, loosen 
    5. Remove the outer cover or wrapping of
      "undo the parcel"
      - unwrap

    Derived forms: undid, undoes, undoing, undone

    See also: undoer, undoing

    Type of: alter, change, change by reversal, expose, modify, reverse, ruin, turn, uncover

    Encyclopedia: Undo


  • [Business]
    verb [+ obj] (undoes // undid // undone //)

    1

    to cancel the effect of sth:

    It's not too late to undo some of the damage.

    UNDO

    (= an instruction on a computer that cancels the previous action)

    2

    to open sth that is fastened, tied or wrapped:

    to undo a package


  • [Computer]
    <jargon> 1. A good property or behaviour (as of a program). Whether it was intended or not is immaterial.

    2. An intended property or behaviour (as of a program). Whether it is good or not is immaterial (but if bad, it is also a misfeature).

    3. A surprising property or behaviour; in particular, one that is purposely inconsistent because it works better that way - such an inconsistency is therefore a feature and not a bug. This kind of feature is sometimes called a miswart.

    4. A property or behaviour that is gratuitous or unnecessary, though perhaps also impressive or cute. For example, one feature of Common LISP's "format" function is the ability to print numbers in two different Roman-numeral formats (see bells, whistles, and gongs).

    5. A property or behaviour that was put in to help someone else but that happens to be in your way.

    6. A bug that has been documented. To call something a feature sometimes means the author of the program did not consider the particular case, and that the program responded in a way that was unexpected but not strictly incorrect. A standard joke is that a bug can be turned into a feature simply by documenting it (then theoretically no one can complain about it because it's in the manual), or even by simply declaring it to be good. "That's not a bug, that's a feature!" is a common catch-phrase. Apparently there is a Volkswagen Beetle in San Francisco whose license plate reads "FEATURE".

    See also feetch feetch, creeping featurism, wart, green lightning.

    The relationship among bugs, features, misfeatures, warts and miswarts might be clarified by the following hypothetical exchange between two hackers on an airliner:

    A: "This seat doesn't recline."

    B: "That's not a bug, that's a feature. There is an emergency exit door built around the window behind you, and the route has to be kept clear."

    A: "Oh. Then it's a misfeature; they should have increased the spacing between rows here."

    B: "Yes. But if they'd increased spacing in only one section it would have been a wart - they would've had to make nonstandard-length ceiling panels to fit over the displaced seats."

    A: "A miswart, actually. If they increased spacing throughout they'd lose several rows and a chunk out of the profit margin. So unequal spacing would actually be the Right Thing."

    B: "Indeed."

    "Undocumented feature" is a common euphemism for a bug.

    7. An attribute or function of a class in Eiffel.

Examples

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  1. it is better for the doer to undo what he has done.
  2. first undo the buttons and take off the shirt!
  3. ah, don't let us undo what you've done.
  4. it is up to the doer to undo the knot.
  5. there was bandages to do, sir, and bandages to undo.

Related Words

  1. undividedly meaning
  2. undividedness meaning
  3. undivine meaning
  4. undivorced meaning
  5. undivulged meaning
  6. undo icon meaning
  7. undoable meaning
  8. undock meaning
  9. undocked meaning
  10. undoctored meaning
PC Version