undid
ˌən-ˈdid 
ˈən-
; undone
ˌən-ˈdən
ˈən-
; undoing
ˌən-ˈdü-iŋ
ˈən-
1
: to open or loose by releasing a fastening
2
: to make of no effect or as if not done : make null : reverse
3
a
: to ruin the worldly means, reputation, or hopes of
a politician undone by scandal
b
: to disturb the composure of : upset
she's come undone
c
: to come open or apart
Examples of undo in a Sentence
You can't undo the past.
The damage cannot be undone.
He was undone by greed.
Recent Examples on the Web
Since returning to the White House, President Donald Trump has undone many of the Biden-era immigration policies.
—
Ana Ceballos, Miami Herald, 28 June 2025
As the Catholic archdiocese hunts for ways to contract, it’s been shedding churches wholesale and having no trouble finding buyers that are tuned to the doings — or undoing — of religious organizations.
—Justin Davidson, Curbed, 27 June 2025
The star completed the outfit with a white button down shirt — worn with a few buttons undone for a casual vibe — black dress shoes and black aviator sunglasses.
—Starr Bowenbank, People.com, 26 June 2025
Obama’s first term was consumed with undoing the damage of the Great Recession, which was a product largely of Republican economic policymaking.
—Michael Hiltzik, Los Angeles Times, 24 June 2025
See All Example Sentences for undo
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Ana Ceballos, Miami Herald, 28 June 2025
As the Catholic archdiocese hunts for ways to contract, it’s been shedding churches wholesale and having no trouble finding buyers that are tuned to the doings — or undoing — of religious organizations.
—Justin Davidson, Curbed, 27 June 2025
The star completed the outfit with a white button down shirt — worn with a few buttons undone for a casual vibe — black dress shoes and black aviator sunglasses.
—Starr Bowenbank, People.com, 26 June 2025
Obama’s first term was consumed with undoing the damage of the Great Recession, which was a product largely of Republican economic policymaking.
—Michael Hiltzik, Los Angeles Times, 24 June 2025
See All Example Sentences for undo
Cite this Entry
“Undo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undo. Accessed 1 Jul. 2025.
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