undo

undo
I
(New American Roget's College Thesaurus)
v. t. loose, unlock, unfasten, untie, release; annul, reverse, cancel, neutralize; spoil, destroy, ruin. See disjunction, destruction.
II
(Roget's IV) v.
1. [To unfasten]
Syn. untie, loosen, release; see unhitch .
2. [To bring to ruin]
Syn. mar, destroy, ruin, wreck, break, bring to naught, subvert, injure, overthrow, unsettle, turn topsy-turvy, upset, defeat.
3. [To reverse]
Syn. annul, cancel, do away with, invalidate; see cancel 2 .
III
(Roget's 3 Superthesaurus) v.
1. unfasten unhitch, unlock, untie, unbuckle, unbutton, loosen, free, detach, disconnect.
2. reverse rescind, annul, cancel, nullify, void, make null and void, invalidate, offset, erase.
ANT.: 1. fasten, tighten, tie, knot, attach. 2. uphold, strengthen
IV
(Roget's Thesaurus II) verb 1. To remove or invalidate by or as if by running a line through or wiping clean: annul, blot (out), cancel, cross (off or out), delete, efface, erase, expunge, obliterate, rub (out), scratch (out), strike (out), wipe (out), x (out). Law: vacate. See CONTINUE. 2. To free from ties or fasteners: disengage, loose, loosen, slip, unbind, unclasp, unfasten, unloose, unloosen, untie. See TIGHTEN. 3. To become or cause to become open: open, unclose. See OPEN. 4. To cause the complete ruin or wreckage of: bankrupt, break down, cross up, demolish, destroy, finish, ruin, shatter, sink, smash, spoil, torpedo, wash up, wrack2, wreck. Slang: total. Idiom: put the kibosh on. See HELP. 5. To lessen or deplete the nerve, energy, or strength of: attenuate, debilitate, devitalize, enervate, enfeeble, sap2, undermine, unnerve, weaken. See STRONG. 6. To lure or persuade into a sexual relationship or a sexual act: debauch, seduce. See SEX.

English dictionary for students. 2013.

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Synonyms:
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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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