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
Synonyms
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
While it hasn’t been confirmed how many people purchased the Class A stock during the technical error—which lasted for around an hour and a half—the New York Stock Exchange (NYSE) has swiftly undone all their trades.
—
Byeleanor Pringle, Fortune, 4 June 2024
The proposal would undo some of the changes brought about by Charter Amendment C, the 2017 measure that gave civilians a larger role in reviewing disciplinary cases.
—Dakota Smith, Los Angeles Times, 1 June 2024
Establishing any type of personal relationship with a former patient could undo progress the patient may have made in treatment, and is a slippery slope toward blatantly unethical behavior.
—Kwame Anthony Appiah, New York Times, 24 May 2024
By making one simple change, Congress can undo a more than 100-year-old mistake in the compulsory license and ensure songwriters and music creators continue to benefit from their creative efforts.
—Kristin Robinson, Billboard, 21 May 2024
See all Example Sentences for undo 
Byeleanor Pringle, Fortune, 4 June 2024
The proposal would undo some of the changes brought about by Charter Amendment C, the 2017 measure that gave civilians a larger role in reviewing disciplinary cases.
—Dakota Smith, Los Angeles Times, 1 June 2024
Establishing any type of personal relationship with a former patient could undo progress the patient may have made in treatment, and is a slippery slope toward blatantly unethical behavior.
—Kwame Anthony Appiah, New York Times, 24 May 2024
By making one simple change, Congress can undo a more than 100-year-old mistake in the compulsory license and ensure songwriters and music creators continue to benefit from their creative efforts.
—Kristin Robinson, Billboard, 21 May 2024
See all Example Sentences for undo
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undo.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near undo
Cite this Entry
“Undo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undo. Accessed 9 Jun. 2024.
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