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 If a mistake is cheap and easy to undo, build fast and learn. — Andrew Siemer, Forbes.com, 29 Sep. 2026 Back in the mid-’90s, Nate Ruess and Sam Means were just two Weezer-loving high schoolers who met under a blue album moon, and everything started coming undone—or rather, together—for the indie pop-rock band. — Selena Fragassi, SPIN, 29 Sep. 2026 Evans, in fact, was the one who came down with the interception that was ultimately undone by the roughing the passer penalty. — Alex Zietlow, Charlotte Observer, 28 Sep. 2026 In those moments, the quarterback’s mobility undid Florida’s defense, rushing for a pair of touchdowns in the third quarter while still managing 298 passing yards. — Noah White, Miami Herald, 27 Sep. 2026 See All Example Sentences for undo

Recent Examples of Synonyms for undo

Verb

There are a few other helpful features, such as two-way talk to speak with visitors on the other side of your door, as well as a siren that can scare away any unwanted parties.

— George Yang, PC Magazine, 6 Oct. 2026
More than anything, this adaptation feels scared of being too unlikable or scaring anyone too much.

— Roxana Hadadi, Vulture, 6 Oct. 2026

Definition of scare

Verb

This and that Why yes, Dolphins quarterback Malik Willis does in fact play with his shoelaces untied.

— Barry Jackson, Miami Herald, 21 Aug. 2026
Most versions of the story focus on the shock ending, the moment the ribbon comes untied and Jenny’s head plops to the floor.

— Jennifer Givhan, PEOPLE, 17 Aug. 2026

Definition of untie

Verb

If anything, the University of Toronto researchers discovered, we humans are the ones disturbing our dogs’ sleep.

— Gina Vivinetto, NBC news, 7 Oct. 2026
The disembodied emcee voice for the performance only asks that flash not be used, and that any photography or videography not disturb surrounding attendees.

— Camila Pedrosa, Sacbee.com, 1 Oct. 2026

Definition of disturb

Verb

Families confronting a devastating diagnosis may already be frightened, grieving and overwhelmed.

— Arkansas Online, Arkansas Online, 3 Oct. 2026
But Cardinale acknowledged layoffs would be part of the cost-cuts, a prospect that frightened many in Hollywood after endless waves of job cuts at the two companies.

— Meg James, Los Angeles Times, 2 Oct. 2026

Definition of frighten

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

The young actor can pull off the swagger and charisma required of a teenage Haymitch, but he was intimidated by the idea of taking on the character’s accent.

— Rebecca Ford, Vanity Fair, 2 Oct. 2026
Those who use technology to harass, intimidate or torment others should understand that attempts to anonymize their criminal conduct will not shield them from prosecution.

— David Zimmermann, The Washington Examiner, 1 Oct. 2026

Definition of intimidate

Verb

This beautiful retrospective volume shows a poet developing steadily, from the graceful descriptions and encoded trauma of the poems from the 1990s through the loosening music and political engagement of the books of the last ten years.

— Craig Morgan Teicher, Literary Hub, 1 Oct. 2026
The pullout, however, leaves a new Iraqi government with the daunting task of loosening Iran’s grip on its neighbor, which has long been trapped in a cycle of sectarianism, foreign meddling and civil conflict.

— Sarah Tamimi, CNN Money, 30 Sep. 2026

Definition of loosen

Browse Nearby Words

undivided

undo

undoable

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Style

“Undo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undo. Accessed 9 Oct. 2026.

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Synonyms of undo

verb

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