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 The growth outpaced that of the student population, undoing years of work by advocacy groups and policymakers to end the school-to-prison pipeline. — Kristian Hernández, San Antonio Express-News, 15 Oct. 2026 That decision, made in seconds at a counter, can undo the entire case the brand spent years building, and the brand is not present for any of it. — Harshit Jain, Forbes.com, 13 Oct. 2026 Satenstein’s attempt to replace the treasured grail is a cotton iteration that features a similar neckline to the vintage one, but with a clasp that can be done and undone from a traditional keyhole to a sexy almost V-neck. — Irene Kim, Vogue, 6 Oct. 2026 Trump’s opponents are making plans to undo his changes to the presidency. — Jamie Ross, Washington Post, 5 Oct. 2026 See All Example Sentences for undo

Recent Examples of Synonyms for undo

Verb

The anti-45 campaign is trying to scare voters with a Halloween bogeyman.

— Los Angeles Times, Los Angeles Times, 19 Oct. 2026
Although Down was not the victim, the case definitely scared her family.

— Tereza Shkurtaj, PEOPLE, 17 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

An officer responded to PSA, and police said about two pallets of cards were stolen from the truck and a third was disturbed.

— Catherina Gioino, Fortune, 21 Oct. 2026
On vehicles with a dedicated secondary passenger display, front passengers can browse, view lyrics, and watch video content without disturbing the driver.

— Andrew J. Hawkins, The Verge, 21 Oct. 2026

Definition of disturb

Verb

For Cox and Walker, the challenge was to introduce horror-film conventions without frightening the franchise’s youngest viewers.

— Scott Roxborough, HollywoodReporter, 22 Oct. 2026
Guitarricadelafuente said he was initially frightened by the prospect of acting in La Bola Negra.

— Destiny Jackson, Deadline, 21 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

Gee, who used to pop into fraternity parties unannounced to keep tabs on them, said he is not bothered by the reintegration of the three formerly rogue organizations.

— Brittany Shammas, CNN Money, 17 Oct. 2026
This is a dense picture—there’s almost too much to unpack, if you can be bothered to care about any of it.

— Stephanie Zacharek, Time, 16 Oct. 2026

Definition of bother

Verb

Their grip on song structure has loosened with each record and, by their most recent, 2024’s Exotic Birds of Prey, nearly dissipated altogether.

— Dash Lewis, Pitchfork, 23 Oct. 2026
His efforts to loosen dependence on America have earned his government sky-high approval ratings even as many Western governments face populations deeply unhappy with their rule.

— Fareed Zakaria, Washington Post, 23 Oct. 2026

Definition of loosen

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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 27 Oct. 2026.

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Synonyms of undo

verb

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