Undoing
WordNet

noun


(1)   Loosening the ties that fasten something
"The tying of bow ties is an art; the untying is easy"
(2)   An act that makes a previous act of no effect (as if not done)
WiktionaryText

Noun



  1. That which defeats.
    His fatal flaw was his undoing. In a sense he defeated himself.
 
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