undone1

[uhn-duhn] /ʌnˈdʌn/
adjective
1.
not done; not accomplished or completed.
Origin
1250-1300; Middle English un-dun. See un-1, done

undone2

[uhn-duhn] /ʌnˈdʌn/
verb
1.
past participle of undo.
adjective
2.
brought to destruction or ruin.
3.
unfastened.

undo

[uhn-doo] /ʌnˈdu/
verb (used with object), undid, undone, undoing.
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
before 900; Middle English; Old English undōn; cognate with Dutch ontdoen. See un-2, do1
Related forms
undoable, adjective
Can be confused
undo, undue.
Examples from the web for undone
  • Almost as soon as the supercontinent formed, it started to come undone.
  • But by the early nineties, it all began to come undone.
  • Not much can be undone or changed by a single human, or even a few million human beings.
  • Research conducted improperly is better left undone, regardless of any publication quotas that may apply.
  • First of all the damage is done, it can't be undone and the effects are here.
  • But somehow, these days, the balance has become undone and skewed in terms of sheer political and economic power and influence.
  • Yet ironically, the salutary effects of a new high-tech tire can be entirely undone by a driver who doesn't maintain it properly.
  • But all of that good is being undone by a single disease.
  • Sadly, there will have been damage to innocents that can not be undone.
  • Nevertheless, the theory has a directional bias that explains how inequalities can be generated, but not how they can be undone.
British Dictionary definitions for undone

undone1

/ʌnˈdʌn/
adjective
1.
not done or completed; unfinished

undone2

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

undo

/ʌnˈduː/
verb (mainly transitive) -does, -doing, -did, -done
1.
(also intransitive) 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 Forms
undoer, noun
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.