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
French girl bangs lend to an undone look, one that can be expounded upon for a rockstar aesthetic.
—
Calin Van Paris, InStyle, 11 Mar. 2026
Scientists no longer with the agency talk about the work left undone.
—Daniel Wine, CNN Money, 9 Mar. 2026
Eric Musselman sat behind a microphone at the bitter end of a bitter regular season for USC, armed only with the same explanations for how a once-hopeful season could come so undone.
—Los Angeles Times, 8 Mar. 2026
Crafted into undone bends, the style disguises flyaways and limp ends.
—Fiona Embleton, Glamour, 6 Mar. 2026
See All Example Sentences for undone
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Calin Van Paris, InStyle, 11 Mar. 2026
Scientists no longer with the agency talk about the work left undone.
—Daniel Wine, CNN Money, 9 Mar. 2026
Eric Musselman sat behind a microphone at the bitter end of a bitter regular season for USC, armed only with the same explanations for how a once-hopeful season could come so undone.
—Los Angeles Times, 8 Mar. 2026
Crafted into undone bends, the style disguises flyaways and limp ends.
—Fiona Embleton, Glamour, 6 Mar. 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 17 Mar. 2026.
Copy CitationKids Definition
undone
adjective
un·done
ˌən-ˈdən 
: not done
an undone task
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