undoing
noun
un·do·ing
ˌən-ˈdü-iŋ 
1
: an act of loosening : unfastening
2
: ruin
also
: a cause of ruin
greed was to prove his undoing
Examples of undoing in a Sentence
My quick temper was my undoing.
His quick temper helped lead to his undoing.
The incident resulted in her undoing.
Recent Examples on the Web
Stella’s undoing wasn’t a spiral contained to Season 4, though.
—
Hunter Ingram, Variety, 22 Oct. 2025
That sets up Saturday’s game as an opportunity for Auburn’s coach — or perhaps his undoing.
—Seth Emerson, New York Times, 10 Oct. 2025
But the undoing of the totemic reform of Macron’s mandates would be highly symbolic.
—Charlotte Reed, CNBC, 8 Oct. 2025
What looks like good politics might also prove to be another step in the undoing of the Constitution’s checks and balances.
—Susan B. Glasser, New Yorker, 2 Oct. 2025
See All Example Sentences for undoing
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Hunter Ingram, Variety, 22 Oct. 2025
That sets up Saturday’s game as an opportunity for Auburn’s coach — or perhaps his undoing.
—Seth Emerson, New York Times, 10 Oct. 2025
But the undoing of the totemic reform of Macron’s mandates would be highly symbolic.
—Charlotte Reed, CNBC, 8 Oct. 2025
What looks like good politics might also prove to be another step in the undoing of the Constitution’s checks and balances.
—Susan B. Glasser, New Yorker, 2 Oct. 2025
See All Example Sentences for undoing
Cite this Entry
“Undoing.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undoing. Accessed 31 Oct. 2025.
Copy CitationKids Definition
undoing
noun
un·do·ing
ˌən-ˈdü-iŋ
1
: an act or instance of unfastening
2
a
: ruin entry 1 sense 1
parental neglect helped lead to their undoing
b
: a cause of ruin
my quick temper was my undoing
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