- past participle of undo.
undone
1 Americanadjective
adjective
-
ruined; destroyed
-
unfastened; untied
adjective
Etymology
Origin of undone1
First recorded in 1250–1300; un- 1 ( def. ) + done ( def. )
Origin of undone2
First recorded in 1300–50, for the adjective; un- 2 ( def. ) + done ( def. )
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.
"All of the things that it stipulated have now been undone."
From BBC ● Jul. 14, 2026
Ellis' granddaughter Laura Enston said that although the impact of the sentence on her family could not be undone, she felt justice had been done after 70 years.
From BBC ● Jul. 8, 2026
Saudi Arabia ultimately backed down, but U.S. officials said at the time that the damage wouldn’t easily be undone.
From The Wall Street Journal ● Jul. 1, 2026
Yet that same bundle can quickly come undone.
From Science Daily ● Jun. 15, 2026
All the damp air must have made the glue come undone.
From "Free Lunch" by Rex Ogle
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.