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undid

American  
[uhn-did] / ʌnˈdɪd /

verb

  1. the simple past tense of undo.


undid British  
/ ʌnˈdɪd /

verb

  1. the past tense of undo

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Pamela Price was recalled in 2024 and replaced by Ursula Jones Dickson, who quickly undid many of Price’s signature policies.

From Los Angeles Times • May 29, 2026

The Japanese yen surged against the dollar in Asian trade as possible central bank intervention undid the currency’s wartime losses.

From The Wall Street Journal • May 1, 2026

And whatever your case for tariffs is, the way we implemented them undid it completely.

From Slate • Apr. 22, 2026

Unlike the long-ago transition to the cloud, which undid many existing software firms, incumbents aren’t being complacent this time around.

From Barron's • Mar. 13, 2026

She undid the golden braids in her hair.

From "The Sea of Monsters" by Rick Riordan

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