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 The transformations that have decimated protest movements—undone by digitization, atomization, and the evanescence of online life—have also affected shame and its ability to mediate social norms without the intervention of the state. — Jay Caspian Kang, New Yorker, 22 Sep. 2026 For Canada, that means undoing some of the reliance developed over nearly 40 years. — ABC News, 21 Sep. 2026 After a rancher’s dog discovered a ferret colony in Wyoming, scientists rallied to save the species nearly undone by humans’ ravenous expansion. — Shi En Kim, AZCentral.com, 21 Sep. 2026 Placing the opposite bet, Poland’s Donald Tusk bent rules to try to undo the damage done by the right-populist Law and Justice party—and stood accused of undermining the rule of law. — Will Freeman, The Atlantic, 20 Sep. 2026 See All Example Sentences for undo

Recent Examples of Synonyms for undo

Verb

Kennedy, who was an anti-vaccine activist before entering politics and has sent mixed messages to Americans about getting the measles vaccine, scares her.

— Ali Swenson, STAT, 30 Sep. 2026
Labaugh says her husband tried to scare the bear away by pounding on the door connected to the garage from inside the house.

— Sarah Horbacewicz, CBS News, 29 Sep. 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

Baldwin alleged that decision was just one part of a pattern of disturbing prosecutorial abuses, including presenting false information to the grand jury, failing to disclose two firearms reports, and filing an unlawful gun enhancement.

— Gene Maddaus, Variety, 30 Sep. 2026
But the death of Khamenei eliminated the regime’s paramount figure, disturbing the existing balance, and the war is systematically privileging the parts of the state responsible for survival over everything else.

— Ali Vaez, Foreign Affairs, 29 Sep. 2026

Definition of disturb

Verb

Come back to the conversation Whereas adults may be able to more quickly move on with their daily lives after feeling disturbed or frightened by upsetting media, children may experience more elevated and prolonged stress.

— Anahi Collado, The Conversation, 22 Sep. 2026
Last Friday, the artist Pink published a lengthy criticism of Macklemore’s on-stage polemic, writing that his comments and use of violent wartime imagery had frightened many Jewish people, including her.

— Caitlin Dewey, Vox, 16 Sep. 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

In Levittown, the cost-cutting builders at first hadn’t even bothered with tanks and had installed cesspools instead—three decades later, the suburb’s sewer system was still under construction.

— Daniel Immerwahr, New Yorker, 28 Sep. 2026
Professionally, Bernat didn’t bother to answer a Florida Department of Health administrative complaint detailing the charges in the Alzheimer patient’s case.

— David J. Neal, Miami Herald, 28 Sep. 2026

Definition of bother

Verb

Forte said the scale of this tournament might shock and even intimidate anglers from other countries who have never witnessed the spectacle of an American fishing championship.

— Bryan Hendricks, Arkansas Online, 27 Sep. 2026
Dating back to the Ming Dynasty, the Chinese used the term paper tiger to describe someone who appears powerful and intimidating but ultimately poses little threat.

— Antonio Ferme, Variety, 26 Sep. 2026

Definition of intimidate

Verb

Warsaw now wants the European Union to allow similar suspensions during migration emergencies, as the bloc considers a framework that could loosen standard asylum procedures.

— Claudia Ciobanu, Los Angeles Times, 25 Sep. 2026
Once a month, remove the filter and soak it in hot, soapy water to loosen and dissolve greasy buildup.

— Jolie Kerr, Better Homes & Gardens, 23 Sep. 2026

Definition of loosen

Browse Nearby Words

undivided

undo

undoable

See all Nearby Words

Cite this Entry

Style

“Undo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undo. Accessed 2 Oct. 2026.

Copy Citation

Synonyms of undo

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

heterodox

Popular in Grammar & Usage

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Why is '-ed' sometimes pronounced at the end of a word?

Popular in Wordplay

7 Great Ways to Say 'Great'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

The Words of the Week - Oct. 2

16 Food Words Recently Added to the Dictionary

Popular

Do You Need a New Language Peeve?

7 Great Ways to Say 'Great'

The Longest Long Words List

Games & Quizzes