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Definitions

undone

[uhn-duhn] / ʌnˈdʌn /
ADJECTIVE
not done
Synonyms
WEAK
incomplete unaccomplished uncompleted unconcluded unfinished unperformed
Antonyms
WEAK
accomplished completed done finished
ADJECTIVE
ruined
Synonyms
STRONG
destroyed killed sunk
WEAK
done for in trouble washed-up wiped-out
ADJECTIVE
distraught
Synonyms
STRONG
agitated crazed distressed disturbed raving troubled unbalanced unnerved upset
WEAK
crazy insane unglued
Antonyms
STRONG
balanced calm collected happy sane sound
WEAK
fine untroubled
ADJECTIVE
not fastened
Synonyms
STRONG
open unbuttoned unfastened untied unzipped
Antonyms
WEAK
buttoned fastened fine tied zipped

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.

But thanks to a thoroughly discredited British doctor who claimed to document changes in behavior in children given the MMR vaccine, creating the so-called “Wakefield effect,” some of this progress has been undone.

From Salon • Apr. 8, 2026

Gabriel Bortoleto - 6 - A second top-10 start for the year, undone by a rough lights-out.

From BBC • Mar. 29, 2026

We’ve worked hard for 18 years to instill a strong work ethic and teach budgeting skills, and I don’t want to see that undone.

From MarketWatch • Mar. 26, 2026

A kitchen cabinet had come undone, and I needed a bracket and some glue to piece it back together.

From The Wall Street Journal • Mar. 12, 2026

It had been carefully banded at the top and bottom so that it wouldn’t come undone.

From "Out of Darkness" by Ashley Hope Pérez