Thesaurus

undo

verb

Synonyms & Antonyms of undo

1 to deprive of courage or confidence
  • the sudden shriek undid the campers

Synonyms for undo

Words Related to undo

Near Antonyms for undo

Antonyms for undo

2 to disengage the knotted parts of
  • undo a tangled shoelace

Synonyms for undo

Words Related to undo

Near Antonyms for undo

Antonyms for undo

See the Dictionary Definition 

Keep scrolling for more

Learn More about undo

Time Traveler for undo

Time Traveler

The first known use of undo was before the 12th century

See more words from the same century

Cite this Entry

“Undo.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/undo. Accessed 25 Oct. 2020.

Keep scrolling for more

More from Merriam-Webster on undo

Dictionary: Definition of undo

Nglish: Translation of undo for Spanish Speakers

Britannica English: Translation of undo for Arabic Speakers

Comments on undo

What made you want to look up undo? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

Namesakes Word Quiz

  • a citrus fruit possibly named after a person
  • Which of the following is a fruit named after a Moroccan seaport?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Syn City

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!