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
This would undo the perverse incentive by which states prioritize coverage for able-bodied, working-age people instead of the poor children or disabled people Medicaid is supposed to be for.
—
The Editors, National Review, 23 May 2025
Tax Equity and Fiscal Responsibility Act of 1982 — also signed by Reagan, undid most of the 1981 cuts to corporate taxes, but crucially kept the cuts on individuals in place.
—Dylan Matthews, Vox, 22 May 2025
Google trial or appeals judges could find powerful case law support for rejecting remedies that go beyond undoing the Google payments contracts – the highly influential appeals court decision in the landmark 2001 Microsoft monopolization case.
—Alden Abbott, Forbes.com, 21 May 2025
The picture plays at Stitch’s pace, every scene an exercise in chaos — which counterintuitively undoes this destroy-everything-in-sight teddy bear’s singularity.
—Bilge Ebiri, Vulture, 21 May 2025
See All Example Sentences for undo
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The Editors, National Review, 23 May 2025
Tax Equity and Fiscal Responsibility Act of 1982 — also signed by Reagan, undid most of the 1981 cuts to corporate taxes, but crucially kept the cuts on individuals in place.
—Dylan Matthews, Vox, 22 May 2025
Google trial or appeals judges could find powerful case law support for rejecting remedies that go beyond undoing the Google payments contracts – the highly influential appeals court decision in the landmark 2001 Microsoft monopolization case.
—Alden Abbott, Forbes.com, 21 May 2025
The picture plays at Stitch’s pace, every scene an exercise in chaos — which counterintuitively undoes this destroy-everything-in-sight teddy bear’s singularity.
—Bilge Ebiri, Vulture, 21 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 2 Jun. 2025.
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