UNDOING
untying, undoing, unfastening
(noun) loosening the ties that fasten something; “the tying of bow ties is an art; the untying is easy”
undoing
(noun) an act that makes a previous act of no effect (as if not done)
Source: WordNet® 3.1
Etymology 1
Noun
undoing (plural undoings)
The act of loosening or unfastening
Ruin; defeat, (also) that which causes defeat or ruin.
Annulment; reversal
Etymology 2
Verb
undoing
present participle of undo
Anagrams
• ounding
Source: Wiktionary
Un*do"ing, n.
1. The reversal of what has been done.
2. Ruin. "The utter undoing of some." Hooker.
UNDO
Un*do", v. t. Etym: [AS. und. See 1st Un-, and Do to perform.]
1. To reverse, as what has been done; to annul; to bring to naught.
What's done can not be undone. Shak.
To-morrow, ere the setting sun, She 'd all undo that she had done.
Swift.
2. To loose; to open; to take to piece; to unfasten; to untie; hence,
to unravel; to solve; as, to undo a knot; to undo a puzzling
question; to undo a riddle. Tennyson.
Pray you, undo this button. Shak.
She took the spindle, and undoing the thread gradually, measured it.
Sir W. Scott.
3. To bring to poverty; to impoverish; to ruin, as in reputation,
morals, hopes, or the like; as, many are undone by unavoidable
losses, but more undo themselves by vices and dissipation, or by
indolence.
That quaffing and drinking will undo you, Shak.
Source: Webster’s Unabridged Dictionary 1913 Edition