undo
verb (used with object)
to reverse the doing of; cause to be as if never done.
has undone
-
present perfectof undo (3rd person singular).present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
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.
She said Fatafteh’s release has undone the past 15 years of healing.
From The Wall Street Journal ● Oct. 28, 2025
That’s a revealing remark from a leader who has undone his own power and credibility so dramatically over seven years in power.
From Salon ● Dec. 8, 2024
It comes as the education minister said he is concerned the pandemic has undone progress in literacy and numeracy.
From BBC ● Nov. 23, 2023
“He has undone on a coin-flip the achievements of his presidency,” said Gabuev.
From Seattle Times ● Mar. 26, 2022
It turns out they really have become attached to me, and the idea of my returning to the arena has undone them.
From "Catching Fire" by Suzanne Collins
