UNDO Synonyms: 147 Similar and Opposite Words

undo

verb

ˌən-ˈdü

Definition of undo

as in to paralyze

to deprive of courage or confidence the sudden shriek undid the campers

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in to untie

to disengage the knotted parts of undo a tangled shoelace

Synonyms & Similar Words

Antonyms & Near Antonyms

as in to disturb

to trouble the mind of; to make uneasy the mere mention of the home invasion still had the power to undo her

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

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.

Recent Examples of undo Croatia’s 37-year-old Ivan Perisic opened the scoring, his strike spurring Zlatko Dalic’s side on to a fantastic 15 minutes, only for them to be undone by a foul that gave Ronaldo the chance to level from the spot. — Anantaajith Raghuraman, New York Times, 7 July 2026 The good news is that policy can undo what policy has done, helping the many rather than the few. — Annie Lowrey, The Atlantic, 6 July 2026 Wall Street analysts also lament his stance on forward guidance (or lack thereof), saying its reduction undoes transparency at the central bank. — Eleanor Pringle, Fortune, 3 July 2026 Well, Ariana seems to remember, whereas Hudson is determined to just undo the breakup and pretend like none of it ever happened. — Tom Smyth, Vulture, 2 July 2026 See All Example Sentences for undo

Recent Examples of Synonyms for undo

Verb

Once injected with venom, the prey is paralyzed and drained of bodily fluids.

— Rita Perwich, San Diego Union-Tribune, 4 July 2026
The storm paralyzed the East Coast from the Chesapeake Bay to Maine and even some parts of Canada from March 12 to March 14.

— Julia Jacobo, ABC News, 4 July 2026

Definition of paralyze

Verb

One popular saying suggests a knot tied on a rainy day is harder to untie.

— Bryan West, USA Today, 4 July 2026
There, by definition, each match has to have a winner and a loser, so any match that ends in a draw proceeds to two 15-minute periods of overtime, and, if that fails to untie the score, a penalty kick shootout.

— Harmeet Kaur, CNN Money, 24 June 2026

Definition of untie

Verb

The officer wrote that Gatz had been living in the area for several months and was disturbing the surrounding vegetation.

— Julia Jacobo, ABC News, 7 July 2026
Platner has faced multiple allegations of reckless and drunken behavior and disturbing behavior toward women since launching his campaign in August.

— Sara Dorn, Forbes.com, 7 July 2026

Definition of disturb

Verb

Gone are the days when the racy content of a show like Love Island USA—where contestants wear next to nothing and more than one has been kicked off for questionable social media posts—would scare advertisers off.

— Toni Fitzgerald, Forbes.com, 11 July 2026
Maybe two or three groups of hoaxers out there at once, bumping into each other in the dark and scaring the scales off one another.

— Star-Telegram staff, Fort Worth Star-Telegram, 10 July 2026

Definition of scare

Verb

Transforming the cabin from sitting to sleeping is a group effort that includes unpacking the ladder (usually stowed beneath the seats with the luggage), unfastening the upper bunks, and making the beds.

— Emily Manthei, Travel + Leisure, 10 May 2026
After the pink fabric is unfastened from styrofoam beams floating 200 feet out from each island, the sections are towed to shore and rolled up in bundles, Morgan said.

— Miami Herald Archives, Miami Herald, 29 Apr. 2026

Definition of unfasten

Verb

Fireworks can frighten animals and send them scattering, but Jackie and Shadow’s eaglets apparently are made of sterner stuff.

— Sandra McDonald, Los Angeles Times, 6 July 2026
In those moments, what frightened her most was not her own safety but the knowledge that her husband was up there somewhere, flying in the same sky swarming with fighter planes dropping their bombs on Tehran.

— Mahsa Alimardani, Time, 6 July 2026

Definition of frighten

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undivided

undo

undoable

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Style

“Undo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undo. Accessed 12 Jul. 2026.

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Synonyms of undo

verb

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