undo

[ʌnˈduː]
(past tense undid [ʌnˈdɪd] ; past participle undone [ʌnˈdʌn] ) verb
1) [T] to open or untie something so that it is no longer closed or fastened
He undid the screws that held the cassette together.[/ex]
I can't undo my belt.[/ex]
2) [T] to have the effect of changing something back into its original, usually worse, state
One mistake could undo all our achievements.[/ex]
3) [I/T] computing
to give a computer an instruction to ignore the last change that you made

Dictionary for writing and speaking English. 2014.

Synonyms:

Look at other dictionaries:

  • Undo — is a command in many computer programs. It erases the last change done to the document reverting it to an older state. In some more advanced programs such as graphic processing, undo will negate the last command done to the file being edited.The… …   Wikipedia

  • Undo — (englisch für zurücknehmen, rückgängig machen) bzw. Rückgängig (machen), Zurücknehmen oder Zurücknahme bezeichnet die Funktion von Anwendungsprogrammen, mit der eine oder mehrere Aktionen zurückgenommen werden können. Je nach Umfang der Anwendung …   Deutsch Wikipedia

  • 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. [1913 Webster] What s done can not be undone. Shak. [1913 Webster] To morrow, ere the setting sun, She d all undo… …   The Collaborative International Dictionary of English

  • Undo It — Single par Carrie Underwood extrait de l’album Play On Sortie 24 mai 2010 Durée 2:57 (version album) Genre Country pop Format …   Wikipédia en Français

  • undo — [v1] open disengage, disentangle, free, loose, loosen, release, unbind, unblock, unbutton, unclose, unfasten, unfix, unlock, unloose, unloosen, unravel, unshut, unstop, untie, unwrap; concept 135 Ant. close, do, fasten undo [v2] nullify,… …   New thesaurus

  • undo — index abolish, abrogate (annul), beat (defeat), betray (lead astray), counteract, denude …   Law dictionary

  • undo — O.E. undon to unfasten and open (a window or door), to unfasten by releasing from a fixed position, from UN (Cf. un ) (2) + DO (Cf. do). The notion is of to annul something that was done. Related: UNDONE (Cf. Undone); UNDOING (Cf. undoing) …   Etymology dictionary

  • undo — (izg. àndu) m DEFINICIJA inform. naredba u računalnim programima za vraćanje prethodnog stanja (npr. prije napisanoga teksta ili pokrenute neke opcije) ETIMOLOGIJA engl …   Hrvatski jezični portal

  • undo — ► VERB (undoes; past undid; past part. undone) 1) unfasten or loosen. 2) cancel or reverse the effects of (a previous action or measure). 3) formal cause the downfall or ruin of …   English terms dictionary

  • undo — [un do͞o′] vt. undid, undone, undoing [ME undon < OE < un ,UN + don, to DO1] 1. a) to release or untie (a fastening) b) to open (a parcel, door, etc.) by this means …   English World dictionary

  • undo — [[t]ʌ̱ndu͟ː[/t]] undoes, undoing, undid, undone 1) VERB If you undo something that is closed, tied, or held together, or if you undo the thing holding it, you loosen or remove the thing holding it. [V n] I managed secretly to undo a corner of the …   English dictionary

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