undo

[ uhn-doo ]

/ ʌnˈdu /

SEE SYNONYMS FOR undo ON THESAURUS.COM

verb (used with object), un·did [uhn-did], /ʌnˈdɪd/, un·done [uhn-duhn], /ʌnˈdʌn/, un·do·ing.

to reverse the doing of; cause to be as if never done: Murder once done can never be undone.

to do away with; erase; efface: to undo the havoc done by the storm.

to bring to ruin or disaster; destroy: In the end his lies undid him.

to unfasten by releasing: to undo a gate; to undo a button.

to untie or loose (a knot, rope, etc.).

to open (a package, wrapping, etc.).

Archaic. to explain; interpret.

Origin of undo

First recorded before 900; Middle English; Old English undōn; cognate with Dutch ontdoen; see origin at un-², do¹

OTHER WORDS FROM undo

un·do·a·ble, adjective

WORDS THAT MAY BE CONFUSED WITH undo

undo , undue

Words nearby undo

undistributed, undistributed middle, undisturbed, undivided, undivided profits, undo, undock, undocumented, undoing, undone, undouble

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for undo

It was probably the most difficult thing I’ve ever done, because you’re walking in and saying, “The second that this happens, you can’t undo it.”
Full Transcript: Sean Spicer on ‘The Carlos Watson Show’|Daniel Malloy|August 26, 2020|Ozy
Weber argues that voters should pass Proposition 16, which would undo the state’s current ban on affirmative action policies.
Morning Report: SANDAG Head Wades Into Supes Race|Voice of San Diego|August 14, 2020|Voice of San Diego
One example of the work being done to advance systemic change is California’s Proposition 16, which would undo our state’s ban on affirmative action.
COVID-19 Highlighted Pay Disparities; November’s Election Can Help Fix Them|Shirley Weber|August 13, 2020|Voice of San Diego
A union-backed proposal to partially undo a city law restricting union-friendly contracts will have to wait for another election.
Politics Report: Down Goes One Hot-Button Ballot Measure|Andrew Keatts|July 18, 2020|Voice of San Diego

So I’m just undoing the wrong that these earlier presidents did.
Does the President Matter as Much as You Think? (Ep. 404)|Stephen J. Dubner|February 6, 2020|Freakonomics
But then the question becomes, how do you undo gerrymandering?
Seriously, Democrats: You’re Done in Dixie|Michael Tomasky|December 10, 2014|DAILY BEAST
And yet, ultimately, the Supreme Court holds the power to uphold or undo what it has taken him years to accomplish.
From POTUS to SCOTUS: Obama’s Big Move?|Keli Goff|November 17, 2014|DAILY BEAST
Underlying all of this legal maneuvering is the social fact that marriages are hard to undo.
Gay Marriage Chaos Begins|Jay Michaelson|November 11, 2014|DAILY BEAST
The wind and the dust in this climate can undo even the hardiest things.
Whatever You Do Someone Will Die. A Short Story About Impossible Choices in Iraq|Nathan Bradley Bethea|August 31, 2014|DAILY BEAST
He was trying to undo the Great Society, and he basically said that in his memoir.
The Real Legacy of Richard Nixon|Scott Porch|August 5, 2014|DAILY BEAST
Millner, as mechanically, took one of the virginally cinctured cigars, and began to undo its wrappings.
Tales Of Men And Ghosts|Edith Wharton
No healing process can help you here to undo your clumsy surgery and want of skill.
Blackwood's Edinburgh Magazine, Volume 60, No. 369, July 1846|Various
But now nothing could undo or deny that flash of fact, that for a second they had been glad to be interrupted.
The Ball and The Cross|G.K. Chesterton
A false move on our part might undo everything and ruin our cause.
Walter and the Wireless|Sara Ware Bassett
You might undo the work of weeks, make the patient's ultimate recovery doubtful.
The Higher Court|Mary Stewart Daggett

British Dictionary definitions for undo

undo

/ (ʌnˈduː) /

verb -does, -doing, -did or -done (mainly tr)

(also intr) to untie, unwrap, or open or become untied, unwrapped, etc

to reverse the effects of

to cause the downfall of

obsolete to explain or solve

Derived forms of undo

undoer, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

单词	undo
释义	undo [ uhn-doo ] / ʌnˈdu / SEE SYNONYMS FOR undo ON THESAURUS.COM verb (used with object), un·did [uhn-did], /ʌnˈdɪd/, un·done [uhn-duhn], /ʌnˈdʌn/, un·do·ing. to reverse the doing of; cause to be as if never done: Murder once done can never be undone. to do away with; erase; efface: to undo the havoc done by the storm. to bring to ruin or disaster; destroy: In the end his lies undid him. to unfasten by releasing: to undo a gate; to undo a button. to untie or loose (a knot, rope, etc.). to open (a package, wrapping, etc.). Archaic. to explain; interpret. Origin of undo First recorded before 900; Middle English; Old English undōn; cognate with Dutch ontdoen; see origin at un-², do¹ OTHER WORDS FROM undo un·do·a·ble, adjective WORDS THAT MAY BE CONFUSED WITH undo undo , undue Words nearby undo undistributed, undistributed middle, undisturbed, undivided, undivided profits, undo, undock, undocumented, undoing, undone, undouble Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for undo It was probably the most difficult thing I’ve ever done, because you’re walking in and saying, “The second that this happens, you can’t undo it.” Full Transcript: Sean Spicer on ‘The Carlos Watson Show’\|Daniel Malloy\|August 26, 2020\|Ozy Weber argues that voters should pass Proposition 16, which would undo the state’s current ban on affirmative action policies. Morning Report: SANDAG Head Wades Into Supes Race\|Voice of San Diego\|August 14, 2020\|Voice of San Diego One example of the work being done to advance systemic change is California’s Proposition 16, which would undo our state’s ban on affirmative action. COVID-19 Highlighted Pay Disparities; November’s Election Can Help Fix Them\|Shirley Weber\|August 13, 2020\|Voice of San Diego A union-backed proposal to partially undo a city law restricting union-friendly contracts will have to wait for another election. Politics Report: Down Goes One Hot-Button Ballot Measure\|Andrew Keatts\|July 18, 2020\|Voice of San Diego So I’m just undoing the wrong that these earlier presidents did. Does the President Matter as Much as You Think? (Ep. 404)\|Stephen J. Dubner\|February 6, 2020\|Freakonomics But then the question becomes, how do you undo gerrymandering? Seriously, Democrats: You’re Done in Dixie\|Michael Tomasky\|December 10, 2014\|DAILY BEAST And yet, ultimately, the Supreme Court holds the power to uphold or undo what it has taken him years to accomplish. From POTUS to SCOTUS: Obama’s Big Move?\|Keli Goff\|November 17, 2014\|DAILY BEAST Underlying all of this legal maneuvering is the social fact that marriages are hard to undo. Gay Marriage Chaos Begins\|Jay Michaelson\|November 11, 2014\|DAILY BEAST The wind and the dust in this climate can undo even the hardiest things. Whatever You Do Someone Will Die. A Short Story About Impossible Choices in Iraq\|Nathan Bradley Bethea\|August 31, 2014\|DAILY BEAST He was trying to undo the Great Society, and he basically said that in his memoir. The Real Legacy of Richard Nixon\|Scott Porch\|August 5, 2014\|DAILY BEAST Millner, as mechanically, took one of the virginally cinctured cigars, and began to undo its wrappings. Tales Of Men And Ghosts\|Edith Wharton No healing process can help you here to undo your clumsy surgery and want of skill. Blackwood's Edinburgh Magazine, Volume 60, No. 369, July 1846\|Various But now nothing could undo or deny that flash of fact, that for a second they had been glad to be interrupted. The Ball and The Cross\|G.K. Chesterton A false move on our part might undo everything and ruin our cause. Walter and the Wireless\|Sara Ware Bassett You might undo the work of weeks, make the patient's ultimate recovery doubtful. The Higher Court\|Mary Stewart Daggett British Dictionary definitions for undo undo / (ʌnˈduː) / verb -does, -doing, -did or -done (mainly tr) (also intr) to untie, unwrap, or open or become untied, unwrapped, etc to reverse the effects of to cause the downfall of obsolete to explain or solve Derived forms of undo undoer, noun Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Words related to undo unlock, unravel, loosen, wipe out, mar, reverse, wreck, subvert, ruin, shatter, abolish, quash, spoil, offset, negate, destroy, overturn, undermine, annul, unloosen
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undo

verb (used with object), un·did [uhn-did], /ʌnˈdɪd/, un·done [uhn-duhn], /ʌnˈdʌn/, un·do·ing.

Origin of undo

OTHER WORDS FROM undo

WORDS THAT MAY BE CONFUSED WITH undo

Words nearby undo

Example sentences from the Web for undo

British Dictionary definitions for undo

verb -does, -doing, -did or -done (mainly tr)

Derived forms of undo

Words related to undo