Undoing meaning

ŭn-do͝oĭng
The cause or source of ruin, disgrace, or destruction.
noun
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The act of unfastening or loosening.
noun
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The act of reversing or annulling something accomplished; a cancellation.
noun
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The act of opening, untying, etc.
noun
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A reversal of the doing of something done or accomplished; canceling or annulling.
noun
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The act of bringing to ruin, disgrace, or destruction.
noun
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That which defeats.

His fatal flaw was his undoing. In a sense he defeated himself.

noun
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Present participle of undo.
verb
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