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 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

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

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

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

See all Nearby Words

Cite this Entry

Style

“Undo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undo. Accessed 22 Oct. 2026.

Copy Citation

Synonyms of undo

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

vocation

Popular in Grammar & Usage

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

'Can' vs. 'May'

'Affect' vs. 'Effect'

More Commonly Mispronounced Words

Is it 'nerve-racking' or 'nerve-wracking'?

Popular in Wordplay

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

The Words of the Week - Oct. 23

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

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

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Games & Quizzes