undo
verb (used with object)
to reverse the doing of; cause to be as if never done.
undoes
-
present tense formof undo (3rd person singular).present tense
Used to describe things happening now or regularly.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The two-segment operating model undoes changes made by former chief executive Bernard Looney that were initiated as part of BP’s pivot to lower-carbon sources of energy.
From The Wall Street Journal ● Jun. 9, 2026
The decision undoes a ruling by US District Judge Maame E Frimpong in Los Angeles, who had said that there is a "mountain of evidence" showing the raids were violating the US Constitution.
From BBC ● Sep. 8, 2025
After putting Tommy and Billy to bed one last time, Wanda undoes the magical hex controlling the town and the twins dissolve along with their dad because they can’t exist without it.
From Los Angeles Times ● Oct. 15, 2024
It started with the recent ancestor of XEC, KP.3.3, which exhibits a mutation that undoes destroying the essential transcription region of N* so the N* protein can’t be produced.
From Salon ● Oct. 9, 2024
His fingers shake as he undoes the ties in the wall.
From "The Night Circus" by Erin Morgenstern
