Definition of Undo

V INTRANS
surge/flood/rise in waves; gush/well up; run| stream; billow; undulate; waver

to surge, wave, undulate /to flood.

to surge, wave, undulate /to flood

(v. t.)
To reverse, as what has been done; to annul; to bring to naught.
  

(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.
  

(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.
  

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undo
\un*do"\ (?), v. t. [as. und&?;n. see 1st un-, and do to perform.]
1. to reverse, as what has been done; to annul; to bring to naught. what's done can not be undone. to-morrow, ere the setting sun, she 'd all undo that she had done.
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. pray you, undo this button. she took the spindle, and undoing the thread gradually, measured it. 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,
undo
v
1. cancel, annul, or reverse an action or its effect; "i wish i could undo my actions"
2. deprive of certain characteristics [syn: unmake]
[ant: do]

3. cause the ruin or downfall of; "a single mistake undid the president and he had to resign"
4. cause to become loos; "undo the shoelace"; "untie the knot"; "loosen the necktie" [syn: untie, loosen]


5. remove the outer cover or wrapping of; "let's unwrap the gifts!"; "undo the parcel" [syn: unwrap]
[ant: wrap]

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v., t., leasaigh, leigheas
(kill) maraigh
I kill: marbhaim
(destroy) mill

Adwneyd = v. to undo

Dadwneud, Dadwneuthur = v. to undo

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Verb
1. cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"
(hypernym) change by reversal, turn, reverse
(hyponym) untie, unbrace, unlace
(derivation) undoing
2. deprive of certain characteristics
(synonym) unmake
(hyponym) destroy, destruct
3. cause the ruin or downfall of; "A single mistake undid the President and he had to resign"
(hypernym) ruin
(derivation) destroyer, ruiner, undoer, waster, uprooter
4. cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie"
(synonym) untie, loosen
(hypernym) change, alter, modify
(derivation) undoer, opener, unfastener, untier
5. remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel"
(synonym) unwrap
(hypernym) uncover, expose
(derivation) undoer, opener, unfastener, untier

- Method in class javax.swing.text.AbstractDocument.DefaultDocumentEvent 
public void undo () throws CannotUndoException 
Undoes a change.Overrides: undo in class CompoundEdit Throws: CannotUndoException - if the change cannot be undone

- Method in class javax.swing.text.AbstractDocument.ElementEdit 
public void undo () throws CannotUndoException 
Undoes a change.Overrides: undo in class AbstractUndoableEdit Throws: CannotUndoException - if the change cannot be undone

- Method in class javax.swing.text.DefaultStyledDocument.AttributeUndoableEdit 
public void undo () throws CannotUndoException 
Undoes a change.Overrides: undo in class AbstractUndoableEdit Throws: CannotUndoException - if the change cannot be undone

- Method in class javax.swing.undo.AbstractUndoableEdit 
public void undo () throws CannotUndoException 
Throws CannotUndoException if canUndo() returns false. Sets hasBeenDone to false. Subclasses should override to undo the operation represented by this edit. Override should begin with a call to super.Specified by:  undo in interface UndoableEdit See Also:  canUndo()

- Method in class javax.swing.undo.CompoundEdit 
public void undo () throws CannotUndoException 
Sends undo() to all contained UndoableEdits in the reverse of the order in which they were added.Overrides: undo in class AbstractUndoableEdit Tags copied from class: AbstractUndoableEdit  See Also:  AbstractUndoableEdit.canUndo()

- Method in class javax.swing.undo.StateEdit 
public void undo ()
Tells the edited object to apply the state prior to the editOverrides: undo in class AbstractUndoableEdit Tags copied from class: AbstractUndoableEdit  See Also:  AbstractUndoableEdit.canUndo()

- Method in interface javax.swing.undo.UndoableEdit 
public void undo () throws CannotUndoException 
Undo the edit that was made.

- Method in class javax.swing.undo.UndoManager 
public void undo () throws CannotUndoException 
If this UndoManager is inProgress, undo the last significant UndoableEdit before indexOfNextAdd, and all insignificant edits back to it. Updates indexOfNextAdd accordingly. If not inProgress, indexOfNextAdd is ignored and super's routine is called.Overrides: undo in class CompoundEdit See Also:  CompoundEdit.end()

the command under the Edit menu used to reverse your last editing edition

Cancels the results of the last operation.

See more at Wikipedia.org...

See more at Wikipedia.org...

v. suffix : Ha'

Comment :
Always occur right after the verb, before any other suffixes. It indicates that something that was previously done is now undone, or that something is done wrongly. Can also be applied to verbs used adjectivally

e.g. :
nobHa' - give back.
yajHa' - missunderstand.
'eyHa' - undelicious.
yepHa' - careless.