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

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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

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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 the United States can force Brazil to undo its previous promises, Brazil’s standing in Washington might go up but its credibility would plummet with every other partner. — Matias Spektor, Foreign Affairs, 2 Oct. 2026 By contrast, many traditional psychiatric drugs slow one’s metabolism or cause weight gain, leading some psychiatrists to use GLP-1s to undo the damage. — Jamie Ducharme, Bon Appetit Magazine, 30 Sep. 2026 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 See All Example Sentences for undo

Recent Examples of Synonyms for undo

Verb

Dozens of other Halloween 2026 events in Metro Detroit are listed in the CBS News Detroit treats and scares roundup.

— Jack Springgate, CBS News, 14 Oct. 2026
In addition to scaring the bejesus out of Hamlet and demanding blood, the ghost informs the audience exactly how the murder occurred.

— Literary Hub, Literary Hub, 13 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

She was especially disturbed by the emotional vulnerability that someone could exploit when a person believes a relationship is genuine.

— Kurt Knutsson, FOXNews.com, 14 Oct. 2026
Police Chief Paul Joseph said at a press conference on Tuesday that Lieu had a criminal history involving firearms and disturbing behavior.

— Carlos E. Castañeda, CBS News, 14 Oct. 2026

Definition of disturb

Verb

Douglas admitted that his father’s behavior left him and brother Joel frightened.

— Tracy Wright, FOXNews.com, 15 Oct. 2026
At the very start of the pandemic, while most Americans were hunkered down, frightened for their lives and worried about job loss, RealPage hosted a virtual pep talk for landlords.

— Literary Hub, Literary Hub, 14 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

Palo Alto Networks did that after buying [Israeli startup] CyberArk, but why would most companies bother?

— Liz Hoffman, semafor.com, 12 Oct. 2026
That woman was truly unbothered, a term tossed around online, but the literal act of not being bothered is impossible for most people beyond the quirkiest, like my onetime neighbor, or maybe Fran Lebowitz.

— Marisa Meltzer, Vanity Fair, 12 Oct. 2026

Definition of bother

Verb

Amid reports of a surge in federal immigration raids, Los Angeles leaders and immigration advocates said Friday that the efforts appear aimed at discouraging turnout in the midterm elections, and urged voters not to be intimidated.

— Melissa Gomez, Los Angeles Times, 16 Oct. 2026
In the books, Xaden is described as a large, dominating wing leader with dark, intimidating features who is highly revered by the rest of the Basgiath War College.

— Isabelle Farina, Variety, 16 Oct. 2026

Definition of intimidate

Browse Nearby Words

undivided

undo

undoable

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Cite this Entry

Style

“Undo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undo. Accessed 20 Oct. 2026.

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Synonyms of undo

verb

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