undone

1
[uhn-duhn]
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Origin of undone

1
First recorded in 1250–1300, undone is from the Middle English word un-dun. See un-1, done

undone

2
[uhn-duhn]
verb
  1. past participle of undo.
adjective
  1. brought to destruction or ruin.
  2. unfastened.

undo

[uhn-doo]
verb (used with object), un·did, un·done, un·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 of undo

before 900; Middle English; Old English undōn; cognate with Dutch ontdoen. See un-2, do1
Related formsun·do·a·ble, adjective
Can be confusedundo undue
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for undone

undone

1
adjective
  1. not done or completed; unfinished

undone

2
adjective
  1. ruined; destroyed
  2. unfastened; untied

undo

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

Word Origin and History for undone
adj.

"not accomplished," c.1300, from un- (1) + done. The same word meaning "destroyed" is recorded from mid-14c., past participle adjective from undo.

undo

v.

Old English undon "to unfasten and open" (a window or door), "to unfasten by releasing from a fixed position," from un- (2) + do (v.). The notion is of "to annul something that was done." Related: Undone; undoing.

Online Etymology Dictionary, © 2010 Douglas Harper