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Synonyms

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.

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

From Slate • Apr. 22, 2026

But her death undid him, and he found his love for Emma reawakened by remorse.

From The Wall Street Journal • Jan. 16, 2026

On Monday, the board undid two mistakes that should never have been made.

From BBC • Jan. 5, 2026

A 10-week study undid about 10 years’ worth of brain aging, they found.

From MarketWatch • Nov. 1, 2025

I brought my hand down and quietly undid the hasp.

From "Life of Pi" by Yann Martel

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