- 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
SynonymsSee more synonyms for on Thesaurus.com
- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples 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
November 26, 2014
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
March 30, 2014
He announced the undoing of what should have never been done.In New Documents, the Bridgegate Cover Story Unravels
January 11, 2014
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
December 11, 2013
And Friedman presents herself as undoing any destruction she's caused.Dara Friedman Reverses a Scene of Destruction
November 15, 2013
He could not have chosen a more opportune time to confirm his own undoing.Howard Pyle's Book of Pirates
Wherefore this caution against me, but (pardon me) for thine own undoing?Leila, Complete
It is not the doing of a year; it is the undoing of the years.Bride of the Mistletoe
James Lane Allen
Having enmeshed him, she confidently left him to complete his own undoing.Ruggles of Red Gap
Harry Leon Wilson
Murphy cast one despairing glance about him and slouched to his undoing.Old Man Curry
Charles E. (Charles Emmett) Van Loan
- ruin; downfall
- the cause of downfalldrink was his undoing
- (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
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
Word Origin and History for undoing
Online Etymology Dictionary, © 2010 Douglas Harper