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 But no state law can undo the psychological damage of a president telling millions of parents, days before the first bell, that their pediatrician’s recommendations are dangerous. — Chuka Onuh, Chicago Tribune, 20 Aug. 2026 To that, Deadline reached out to both the campaigns of Steve Hilton and Xavier Becerra for comment on both the efforts to undo the tax credits cap and the ambitions for a post-comprehensive production credit. — Dominic Patten, Deadline, 20 Aug. 2026 That distinction means the same body that appointed LeVota cannot simply vote to undo that appointment and replace him. — Ben Wheeler, Kansas City Star, 19 Aug. 2026 The appellate panel voiced serious doubts about undoing the consent decree at oral arguments in June. — Sonja Sharp, Los Angeles Times, 19 Aug. 2026 See All Example Sentences for undo

Recent Examples of Synonyms for undo

Verb

Clancy jumped out of a window after strangling the children to death and was paralyzed in the fall.

— Althea Legaspi, Rolling Stone, 27 Aug. 2026
Clancy is now partially paralyzed due to her suicide attempt and is being held at Tewksbury hospital.

— Nicki Brown, CNN Money, 26 Aug. 2026

Definition of paralyze

Verb

Now investors are wondering whether the bond market’s unease is strong enough to disturb a booming stock market.

— John Towfighi, CNN Money, 26 Aug. 2026
As a parent who has purchased my share of scary Halloween costumes, I was particularly disturbed by the controversy now engulfing Target.

— Michelle Singletary, Washington Post, 26 Aug. 2026

Definition of disturb

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 aggressive approach deeply disrupted and frightened the participants.

— Kimmie Gordon, Chicago Tribune, 22 Aug. 2026
Penelope, too, is asked to occupy a landscape that frightens her, not only as a neurodivergent child in a neurotypical culture, but as a child now situated in an adult world.

— Literary Hub, Literary Hub, 21 Aug. 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 1 Sep. 2026.

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Synonyms of undo

verb

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