undo
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Related to undoes: undoable
undo
reverse or erase; annul; untie; unwrap: undo a knot
Not to be confused with:
undue – exceeding the appropriate or normal; excessive: the use of undue force
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
un·do
(ŭn-do͞o′)v. un·did (-dĭd′), un·done (-dŭn′), un·do·ing (-do͞o′ĭng), un·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.
a. To cause the ruin or downfall of; destroy.
b. To throw into confusion; unsettle.
v.intr.
To come open or unfastened.
un·do′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
undo
(ʌnˈduː)vb (mainly tr) , -does, -doing, -did or -done
1. (also intr) to untie, unwrap, or open or become untied, unwrapped, etc
2. to reverse the effects of
3. to cause the downfall of
4. obsolete to explain or solve
unˈdoer n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
un•do
(ʌnˈdu)v.t. -did, -done, -do•ing.
1. to reverse the doing of.
2. to repair or erase: to undo the damage.
3. to bring to ruin; destroy.
4. to unfasten or unlatch.
5. to untie.
[before 900]
un•do′a•ble, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
undo
Past participle: undone
Gerund: undoing
| Imperative |
|---|
| undo |
| undo |
Collins English Verb Tables © HarperCollins Publishers 2011
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
| Verb | 1. |  undo - cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"change by reversal, reverse, turn - change to the contrary; "The trend was reversed"; "the tides turned against him"; "public opinion turned when it was revealed that the president had an affair with a White House intern" unstrap - remove the strap or straps from unhitch - unfasten or release from or as if from a hitch unpick - undo (the stitches) of (a piece of sewing) unfasten - cause to become undone; "unfasten your belt" unbelt - undo the belt of; "unbelt your trousers" unstaple - take the staples off; "unstaple the piece of paper from the receipt" unclip - remove the clip from unbutton - undo the buttons of; "unbutton the shirt" unpin - remove the pins from; unfasten the pins of disconnect, unplug - pull the plug of (electrical appliances) and render inoperable; "unplug the hair dryer after using it" unbraid - undo the braids of; "unbraid my hair" unknot, unpick, unravel, unscramble, untangle - become or cause to become undone by separating the fibers or threads of; "unravel the thread" unwind, disentangle - separate the tangles of unbuckle - undo the buckle of; "Unbuckle your seat belt" spread, unfold, open, spread out - spread out or open from a closed or folded state; "open the map"; "spread your arms" unwire - undo the wiring of |
| 2. |  undo - deprive of certain characteristics | |
| 3. |  undo - cause the ruin or downfall of; "A single mistake undid the President and he had to resign"ruin - destroy or cause to fail; "This behavior will ruin your chances of winning the election" | |
| 4. |  undo - cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie" | |
| 5. |  undo - remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel" |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
undo
verb
1. open, unfasten, loose, loosen, unlock, unwrap, untie, disengage, unbutton, disentangle, unstrap, unclasp I managed to undo a corner of the parcel.
2. reverse, cancel, offset, wipe out, neutralize, invalidate, annul, nullify It would be difficult to undo the damage that had been done.
Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
undo
verb1. 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.
2. To free from ties or fasteners:
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, wrack, wreck.
Slang: total.
Idiom: put the kibosh on.
5. To lessen or deplete the nerve, energy, or strength of:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
يُبْطِل، يُلْغييَحُل، يَفُكيَفُكُّ
odčinitrozepnoutrozvázat
åbnelade ugjortløsne
aukaista
otkopčati
meg nem történtté tesz
losa umógilda, afturkalla
ほどく
원상태로 돌리다
atraisītatsauktattaisītlikvidēt
odčiniť
odpetiodvezatiodvitirazvezati
göra ogjord
แก้
hủy
undo
[ˈʌnˈduː] (undid (pt) (undone (pp))) VT1. (= unfasten) [+ button, blouse] → desabrochar; [+ knot, parcel, shoe laces] → desatar; [+ zipper] → abrir; (= take to pieces) → desarmar
3. (Comput) [+ command] → cancelar
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
undo
[ˌʌnˈduː] [undid] [ˌʌnˈdɪd] (pt) [undone] (pp) vt (= unfasten) [+ knot, zip, buttons, bra, jacket, shirt, parcel] → défaire
(= reverse effects of) [+ good work] → réduire à néant; [+ damage] → réparer
If he won, he would undo everything I have fought for → S'il gagnait, il réduirait à néant tout ce pour quoi j'ai combattu.
If he won, he would undo everything I have fought for → S'il gagnait, il réduirait à néant tout ce pour quoi j'ai combattu.
(COMPUTING) → annuler l'action précédente
undo typing → annuler la frappe
can't undo → impossible d'annuler
undo typing → annuler la frappe
can't undo → impossible d'annuler
Collins English/French Electronic Resource. © HarperCollins Publishers 2005
undo
pret <undid>, ptp <undone>vt
(= unfasten) → aufmachen; button, dress, zip, parcel → aufmachen, öffnen; knot → lösen; knitting → aufziehen; sewing → auftrennen; will you undo me? (inf) → kannst du mir den Reißverschluss/die Knöpfe etc aufmachen?
(= reverse) mischief, wrong → ungeschehen machen; work → zunichtemachen, ruinieren; decision → rückgängig machen; (Comput: command) → rückgängig machen; we cannot undo the past → wir können die Vergangenheit nicht ungeschehen machen
vi → aufgehen
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
undo
[ʌnˈduː] (undid (pt) (undone (pp))) vta. (unfasten, button) → sbottonare; (shoelaces) → slacciare; (knot) → sciogliere; (parcel) → aprire; (knitting) → disfare
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
undo
(anˈduː) – past tense unˈdid (-ˈdid) : past participle unˈdone (-ˈdan) – verb1. to unfasten or untie. Could you undo the knot in this string?
2. to reverse, or destroy, the effect of. The evil that he did can never be undone.
unˈdoing noun (the cause of) ruin or disaster. Gambling was his undoing.
unˈdone (-ˈdan) adjective (of work, a task etc) not done, or not finished. I don't like going to bed leaving jobs/work undone.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.
undo
→ يَفُكُّ rozepnout åbne aufmachen ξεκουμπώνω deshacer aukaista défaire otkopčati disfare ほどく 원상태로 돌리다 losmaken åpne odpiąć desfazer отменять göra ogjord แก้ açmak hủy 松开Multilingual Translator © HarperCollins Publishers 2009
undo
vt. deshacer, desatar; desabrochar, desbaratar.
English-Spanish Medical Dictionary © Farlex 2012