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
The 17th hole proved to be Hatton’s undoing as the Englishman drove the ball into the rough on the downslope of a greenside bunker.
—
Kyle Feldscher, CNN Money, 15 June 2025
As with the first meeting, the third quarter proved to be the Sparks’ undoing.
—Anthony De Leon, Los Angeles Times, 2 June 2025
On Sunday at American Family Field, Matthews’ stuff generally was good, with five strikeouts in just three innings of work, but ultimately a series of walks proved to be his undoing.
—Jess Myers, Twin Cities, 18 May 2025
Nick’s dedication to the commanders proves to be his undoing.
—Barry Levitt, Time, 27 May 2025
See All Example Sentences for undoing
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Kyle Feldscher, CNN Money, 15 June 2025
As with the first meeting, the third quarter proved to be the Sparks’ undoing.
—Anthony De Leon, Los Angeles Times, 2 June 2025
On Sunday at American Family Field, Matthews’ stuff generally was good, with five strikeouts in just three innings of work, but ultimately a series of walks proved to be his undoing.
—Jess Myers, Twin Cities, 18 May 2025
Nick’s dedication to the commanders proves to be his undoing.
—Barry Levitt, Time, 27 May 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 18 Jul. 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
Love words? Need even more definitions?
Merriam-Webster unabridged
Share