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undoing

 - 5 dictionary results

un⋅do⋅ing

[uhn-doo-ing]
–noun
1. the reversing of what has been done; annulling.
2. a bringing to destruction, ruin, or disaster.
3. a cause of destruction or ruin.
4. the act of unfastening or loosing.
5. 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:
1300–50; ME; see undo, -ing 1


1. reversal, negation, thwarting.

un⋅do

[uhn-doo]
–verb (used with object), -did, -done, -do⋅ing.
1. to reverse the doing of; cause to be as if never done: Murder once done can never be undone.
2. to do away with; erase; efface: to undo the havoc done by the storm.
3. to bring to ruin or disaster; destroy: In the end his lies undid him.
4. to unfasten by releasing: to undo a gate; to undo a button.
5. to untie or loose (a knot, rope, etc.).
6. to open (a package, wrapping, etc.).
7. Archaic. to explain; interpret.

Origin:
bef. 900; ME; OE undōn; c. D ontdoen. See un- 2 , do 1


un⋅do⋅a⋅ble, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To undoing
un·do   (ŭn-dōō')   
v.   un·did (-dĭd'), un·done (-dŭn'), un·do·ing (-dōō'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.

    1. To cause the ruin or downfall of; destroy.

    2. To throw into confusion; unsettle.

  4. Obsolete To solve or interpret; unravel.

v.   intr.
To come open or unfastened.
un·do'er n.
un·do·ing   (ŭn-dōō'ĭng)   
v.  Present participle of undo.
n.  
  1. The act of unfastening or loosening.

    1. Ruin; destruction.

    2. The act of bringing to ruin.

    3. A cause or source of ruin; downfall: Greed was his undoing.

  2. The act of reversing or annulling something accomplished; a cancellation.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

undo 
O.E. undon "to unfasten and open" (a window or door), "to unfasten by releasing from a fixed position," from un- (2) + do. Undone "not accomplished" is recorded from c.1300; sense of "destroyed" is recorded from 1340; the notion is of "to annul something that was done." Undoing "action of bringing to ruin" is recorded from 1398.
Online Etymology Dictionary, © 2001 Douglas Harper
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