undo

v., -did (-dĭd'), -done (-dŭn'), -do·ing (-dū'ĭng), -does (-dŭz').

v.tr.

1. To reverse or erase; annul: impossible to undo the suffering caused by the war.
2. To untie, disassemble, or loosen: undo a shoelace.
3. To open (a parcel, for example); unwrap.
4. 1. To cause the ruin or downfall of; destroy.
   2. To throw into confusion; unsettle.
5. Obsolete. To solve or interpret; unravel.

v.intr.

To come open or unfastened.

undoer un·do'er n.

To restore the last editing operation that has taken place. For example, if a segment of text has been deleted or changed, performing an undo will restore the original text. Programs may have several levels of undo, including being able to reconstruct the original data for all edits performed in the current session. See redo.

Download Computer Desktop Encyclopedia to your iPhone/iTouch

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/stop/pause.
2. To free from ties or fasteners: disengage, loose, loosen, slip, unbind, unclasp, unfasten, unloose, unloosen, untie. See tighten/loosen.
3. To become or cause to become open: open, unclose. See open/close.
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. Idioms: put the kibosh on. See help/harm/harmless.
5. To lessen or deplete the nerve, energy, or strength of: attenuate, debilitate, devitalize, enervate, enfeeble, sap², undermine, unnerve, weaken. See strong/weak.
6. To lure or persuade into a sexual relationship or a sexual act: debauch, seduce. See sex/asexual.

v

Definition: nullify, invalidate
Antonyms: approve, permit, validate

v

Definition: open
Antonyms: close, do, fasten

---

This entry is from Wikipedia, the leading user-contributed encyclopedia. It may not have been reviewed by professional editors (see full disclaimer)

Dansk (Danish)
v. tr. - løse, binde op, åbne, knappe op, gøre om, aftage, lukke op, pille op, fortryde
v. intr. - løse, aftage, fortryde
n. - oprimlen, fortrydelse, aftagning

idioms:

• be undone by    ændres af

Nederlands (Dutch)
los-/opengaan, los-/ openmaken, ongedaan maken, (helpen) uitkleden, terugdraaien, de goede naam etc. schaden

Français (French)
v. tr. - défaire, ouvrir, détruire, réparer, déconsidérer (qn), (Comput) annuler
v. intr. - se défaire, s'ouvrir, (Comput) s'annuler
n. - (Comput) fonction d'annulation ou de retour à la dernière commande exécutée

idioms:

• be undone by    être défait par

Deutsch (German)
v. - aufmachen, ungeschehen machen
n. - Zunichtemachen, (Comp.) Undo

idioms:

• be undone by    scheitern durch

Ελληνική (Greek)
v. - ξεκουμπώνω, λύνω, ανοίγω, καταστρέφω, χαλώ, σβήνω, ακυρώνω, ξεκάνω

idioms:

• be undone by    καταστρέφομαι από

Italiano (Italian)
slacciare, annullare, districare

idioms:

• be undone by    fallire a causa di

Português (Portuguese)
v. - desfazer, desabotoar, esclarecer

idioms:

• be undone by    ser desfeito por

Русский (Russian)
уничтожать сделанное, аннулировать, разбирать на части, развязывать (узел и т.п.), расстегивать, подрывать (здоровье, репутацию и пр.), портить, губить

idioms:

• be undone by    быть подорванным чем-л.

Español (Spanish)
v. tr. - desatar, abrir, cancelar, anular, deshacer, desenmarañar, desenredar
v. intr. - abrirse, deshacerse
n. - función (undo) deshacer

idioms:

• be undone by    fracasar por, arruinarse por

Svenska (Swedish)
v. - knäppa upp, lösa upp, öppna

中文（简体）(Chinese (Simplified))
解开, 松开, 解开者

idioms:

• be undone by    被...毁灭

中文（繁體）(Chinese (Traditional))
v. tr. - 解開, 鬆開
v. intr. - 鬆開
n. - 解開者

idioms:

• be undone by    被...毀滅

한국어 (Korean)
v. tr. - 원 상태로 돌리다, ~이 수포로 돌아가다
v. intr. - 풀리다, 열리다
n. - 취소하는 것

idioms:

• be undone by    ~에 의해 망했다

日本語 (Japanese)
v. - ほどく, 脱ぐ, 元の状態に戻す, 取り消す

العربيه (Arabic)
‏(فعل) فك, حل, ابطل, الغى, نسخ‏

עברית (Hebrew)
v. tr. - ‮התיר, פתח, שחרר, הרס, חיסל, קלקל, ביטל‬
v. intr. - ‮היה פתוח, הותר, שוחרר‬
n. - ‮פקודה בתוכנת מחשב המאפשרת למשתמש לבטל את הפקודה האחרונה שבוצעה‬

If you are unable to view some languages clearly, click here.

To select your translation preferences click here.