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
Yet Trump has undone innumerable congressional spending decisions.
—
Thomas G. Moukawsher, MSNBC Newsweek, 4 June 2025
The message comes at a particularly harrowing time for members of the LGBTQ+ community, who have watched as Trump has spent his first few months back in office working to undo protections for gay, trans and nonbinary people.
—Hannah Dailey, Billboard, 2 June 2025
And then in one moment as the Spanish Grand Prix neared its conclusion, Verstappen undid so much of that good work to not only damage his championship hopes, but also put himself on the verge of being banned for a race.
—Luke Smith, New York Times, 2 June 2025
Science requires resources and open discussion—in torpedoing both, the Trump administration is rapidly undoing decades of progress toward ending the HIV pandemic.
—Katherine J. Wu, The Atlantic, 31 May 2025
See All Example Sentences for undo
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Thomas G. Moukawsher, MSNBC Newsweek, 4 June 2025
The message comes at a particularly harrowing time for members of the LGBTQ+ community, who have watched as Trump has spent his first few months back in office working to undo protections for gay, trans and nonbinary people.
—Hannah Dailey, Billboard, 2 June 2025
And then in one moment as the Spanish Grand Prix neared its conclusion, Verstappen undid so much of that good work to not only damage his championship hopes, but also put himself on the verge of being banned for a race.
—Luke Smith, New York Times, 2 June 2025
Science requires resources and open discussion—in torpedoing both, the Trump administration is rapidly undoing decades of progress toward ending the HIV pandemic.
—Katherine J. Wu, The Atlantic, 31 May 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 7 Jun. 2025.
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