释义 
		[ uhn-doo -ing ] SHOW IPA 
/ ʌnˈdu ɪŋ / PHONETIC RESPELLING 
SEE SYNONYMS FOR undoing  ON THESAURUS.COM
noun the reversing of what has been done; annulling. 
a bringing to destruction, ruin, or disaster. 
a cause of destruction or ruin. 
the act of unfastening or loosing. 
Psychiatry . an unconscious defense mechanism through which an attempt is made to reverse a psychologically unacceptable act by doing its opposite, usually repetitiously, in order to relieve anxiety. 
Origin of undoing  Middle English word dating back to 1300–50; see origin at undo, -ing1 
SYNONYMS FOR undoing 1  reversal, negation, thwarting.
SEE SYNONYMS FOR undoing  ON THESAURUS.COM
OTHER WORDS FROM undoing self-un·do·ing,  adjective Words nearby undoing  undivided, undivided profits, undo, undock, undocumented, undoing , undone, undouble, undoubted, undoubtedly, undrape
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for undoing Dear God… help us to help ourselves before we become our own undoing .
‘Why Have I Lost Control?’: Cory Booker in ’92 on Rodney King Echoes Ferguson | Cory Booker| November 26, 2014| DAILY BEAST
It was the most violent day in the history of Ukraine since Soviet times and it proved to be the undoing  of the Yanukovych regime.
Photographs Expose Russian-Trained Killers in Kiev | Jamie Dettmer| March 30, 2014| DAILY BEAST
He announced the undoing  of what should have never been done.
In New Documents, the Bridgegate Cover Story Unravels | Michael Daly| January 11, 2014| DAILY BEAST
Boosting spending and undoing  a chunk of the sequester is likely to have a bigger impact on the still-ailing job market.
With the Ryan-Murray Deal, Washington Stops Hurting the Economy | Daniel Gross| December 11, 2013| DAILY BEAST
And Friedman presents herself as undoing  any destruction she's caused.
Dara Friedman Reverses a Scene of Destruction | Blake Gopnik| November 15, 2013| DAILY BEAST
It was the undoing  of all that had been accomplished by the three kings that had proceeded.
The Bible Period by Period | Josiah Blake Tidwell
Half the undoing  of the unsophisticated and natural mind is accomplished by forces wholly superhuman.
Sister Carrie | Theodore Dreiser
This movement proved to be the undoing  of Hooker's73 army, as Jackson was making for his right flank.
Battles of the Civil War | Thomas Elbert Vineyard
It had been her undoing ; she had used it in play, to this miserable end.
The Grey Cloak | Harold MacGrath
Undoing  the slip-knot of his painter, he shoves the canoe clear of its entanglement among the roots of the tree.
The Death Shot | Mayne Reid
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British Dictionary definitions for  undoing noun ruin; downfall 
the cause of downfall drink was his undoing 
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 undoing miscalculation, downfall, ruination, omission, disgrace, humiliation, misadventure, mishap, shame, slip, affliction, stumble, casualty, blow, curse, catastrophe, destroyer, wreck, ruin, trip