1
: not done : not performed or finished
some tasks left undone
2
: not fastened or tied
My shoelace is undone.
3
old-fashioned
: defeated or destroyed
was vanquished and undone
Examples of undone in a Sentence
There were still some tasks left undone.
Recent Examples on the Web
When the electric field reaches a critical strength — roughly 3 million volts per meter — the air starts to come undone.
—
Quanta Magazine, 6 May 2026
Known for her universally flattering lip liner trick, Park channeled that aesthetic tonight in a romantic, undone way.
—Margaux Anbouba, Vogue, 4 May 2026
United’s good work across the first half came undone due to two big mistakes across a funky 15-minute spell in the second.
—Carl Anka, New York Times, 3 May 2026
In a video captured by PEOPLE, the actor, 29, is seen adjusting the back of Zendaya's blue and white patterned dress that had seemingly come undone.
—Catherine Santino, PEOPLE, 30 Apr. 2026
See All Example Sentences for undone
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Quanta Magazine, 6 May 2026
Known for her universally flattering lip liner trick, Park channeled that aesthetic tonight in a romantic, undone way.
—Margaux Anbouba, Vogue, 4 May 2026
United’s good work across the first half came undone due to two big mistakes across a funky 15-minute spell in the second.
—Carl Anka, New York Times, 3 May 2026
In a video captured by PEOPLE, the actor, 29, is seen adjusting the back of Zendaya's blue and white patterned dress that had seemingly come undone.
—Catherine Santino, PEOPLE, 30 Apr. 2026
See All Example Sentences for undone
Cite this Entry
“Undone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undone. Accessed 16 May. 2026.
Copy CitationKids Definition
undone
adjective
un·done
ˌən-ˈdən 
: not done
an undone task
Love words? Need even more definitions?
Merriam-Webster unabridged
