undid
ˌən-ˈdid 
ˈən-
; undone
ˌən-ˈdən
ˈən-
; undoing
ˌən-ˈdü-iŋ
ˈən-
; undoes
ˌən-ˈdəz,
ˈən-
1
: to open or loosen by releasing a fastening
undid her jacket
2
: to make of no effect or as if not done : make null : reverse
The damage cannot be undone.
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
That shift would train audiences to expect movies at home first, theaters second — an irreversible change in consumer behavior that no future studio could undo.
—
Joseph M. Singer, Deadline, 19 Dec. 2025
Unfortunately, all this good work gets undone by the sequels that lack any creative cohesion or forethought.
—Sergio Pereira, Space.com, 17 Dec. 2025
But some governments could work to undo access to contraception, dismantle what little care infrastructure exists, and push women out of the workforce and into the home.
—Foreign Affairs, 16 Dec. 2025
Republican health care plans Republican leaders have been trying to undo Obamacare since it was enacted in 2010.
—David Lightman, Sacbee.com, 16 Dec. 2025
See All Example Sentences for undo
Examples are automatically compiled from online sources to
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Joseph M. Singer, Deadline, 19 Dec. 2025
Unfortunately, all this good work gets undone by the sequels that lack any creative cohesion or forethought.
—Sergio Pereira, Space.com, 17 Dec. 2025
But some governments could work to undo access to contraception, dismantle what little care infrastructure exists, and push women out of the workforce and into the home.
—Foreign Affairs, 16 Dec. 2025
Republican health care plans Republican leaders have been trying to undo Obamacare since it was enacted in 2010.
—David Lightman, Sacbee.com, 16 Dec. 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 21 Dec. 2025.
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