1
as in to paralyze
to deprive of courage or confidence
the sudden shriek undid the campers
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in to untie
to disengage the knotted parts of
undo a tangled shoelace
Synonyms & Similar Words
Antonyms & Near Antonyms
3
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 act would undo the 1846 decision that removed Arlington and Alexandria from Washington DC, thus folding the cities back into the capital.
—
Mike Stunson, USA Today, 23 Apr. 2026
See how the story changed during the trial, and whether the damage to San Francisco can be undone.
—Stacey Vanek Smith, Bloomberg, 23 Apr. 2026
What is overlooked, however, is that even temporary orders from the court can have lasting implications that are difficult, and in some cases impossible, to undo.
—Wayne Unger, The Conversation, 23 Apr. 2026
This should give no one solace that he is done with his attempts to undo vaccine policy to the fullest possible extent.
—Will Walters, STAT, 23 Apr. 2026
See All Example Sentences for undo
Mike Stunson, USA Today, 23 Apr. 2026
See how the story changed during the trial, and whether the damage to San Francisco can be undone.
—Stacey Vanek Smith, Bloomberg, 23 Apr. 2026
What is overlooked, however, is that even temporary orders from the court can have lasting implications that are difficult, and in some cases impossible, to undo.
—Wayne Unger, The Conversation, 23 Apr. 2026
This should give no one solace that he is done with his attempts to undo vaccine policy to the fullest possible extent.
—Will Walters, STAT, 23 Apr. 2026
See All Example Sentences for undo
Recent Examples of Synonyms for undo
Verb
-
Though brief, Yoon’s martial law decree threw the country into a severe political crisis, paralyzing politics and high-level diplomacy and rattling financial markets.—
ABC News,
ABC News,
23 Apr. 2026
-
Though she is paralyzed from the neck down, Lucy still has some mobility in her arms, the Post reported.—
Angel Saunders,
PEOPLE,
23 Apr. 2026
Verb
-
Sobo 151 If watching playoff hockey (or basketball, let’s face it) puts your stomach in a knot, the Bavarian pretzel at Sobo 151 will untie it.—
Miguel Otárola,
Denver Post,
30 Apr. 2026
-
Even Jones now agrees a special session may be necessary this summer to untie the legal knot.—
CBS News,
CBS News,
23 Apr. 2026
Verb
-
Ty Segall exemplifies the modern indie rock experimentalist, constantly trying out new styles and attitudes and usually landing on some intense neopsychedelic sounds that can both comfort and disturb.—
Christopher Arnott,
Hartford Courant,
25 Apr. 2026
-
The worms thrash and move erratically with a snake-like motion that disturbs the topsoil.—
Maria Braganini,
CBS News,
25 Apr. 2026
Verb
-
Plus, nobody will careen past you at 110 mph, scaring you spitless.—
Allen Best,
Denver Post,
24 Apr. 2026
-
If the bear gets closer, shout and act aggressively to scare it off.—
Devarrick Turner,
USA Today,
23 Apr. 2026
Verb
-
If your button-down outfit is in need of a little spice, a quick trick is to unfasten the top and slip out a single shoulder.—
Sri Rain Stewart,
InStyle,
13 Jan. 2026
-
Skinny Pedro unfastened his seat belt and turned his seat around to face me.—
Literary Hub,
Literary Hub,
12 Jan. 2026
Verb
-
With Minnesota viewing them as soft, the Nuggets hardly seem bothered by the criticism.—
Troy Renck,
Denver Post,
25 Apr. 2026
-
Fuqua and Logan can’t be bothered to figure it out.—
Richard Brody,
New Yorker,
23 Apr. 2026
Verb
-
Several critics said the legislation introduces too many unknowns, adding that with the artificial intelligence legislation also under consideration, Connecticut is moving towards regulations that could frighten companies looking to grow in the state.—
P.R. Lockhart,
Hartford Courant,
24 Apr. 2026
-
Lee Cronin was both flattered and frightened when Jason Blum suggested titling his The Mummy reimagining as Lee Cronin’s The Mummy.—
Brian Davids,
HollywoodReporter,
20 Apr. 2026
Verb
-
The Supreme Court loosened a provision of the Voting Rights Act that restricted redrawing congressional districts on the basis of race.—
Lia Russell,
Sacbee.com,
29 Apr. 2026
-
Erdoğan centralized power around himself but also pushed for loosening the country’s borders and extending Turkey’s influence into the region—into Syria, Iraq, Libya, Azerbaijan, and beyond—as a crucial part of Turkey’s new mission and ideology.—
Literary Hub,
Literary Hub,
29 Apr. 2026
Cite this Entry
“Undo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undo. Accessed 1 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
