un·​der·​go | \ ˌən-dər-ˈgō \
underwent\ ˌən-​dər-​ˈwent \; undergone\ ˌən-​dər-​ˈgȯn also  -​ˈgän \; undergoing\ ˌən-​dər-​ˈgō-​iŋ , -​ˈgȯ(-​)iŋ \

Definition of undergo

transitive verb

1 : to submit to : endure
2 : to go through : experience undergo a transformation
3 obsolete : undertake
4 obsolete : to partake of

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Examples of undergo in a Sentence

She will have to undergo an operation. some people undergo a complete transformation while away at college

Recent Examples on the Web

The entire contraption is now being towed back to Hawaii to undergo repairs, and the Ocean Cleanup team will spend the foreseeable future redeveloping its design. Avery Thompson, Popular Mechanics, "The Project to Clean Up the Pacific Garbage Patch Is Literally Falling Apart," 8 Jan. 2019 Doctors say the only way to improve her quality of life is to undergo a transplant, but the waiting list is four to six years and none of her family are eligible donors. Fox News, "Garden sign seeking kidney donor yields 30 volunteers," 25 Sep. 2018 The 2017 study was used to help devise regulations that could require some runners to undergo medical treatment to lower their hormone levels to remain eligible for the sport’s most prominent international competitions, like the Summer Games. Jeré Longman, New York Times, "Did Flawed Data Lead Track Astray on Testosterone in Women?," 12 July 2018 The left-hander sustained a torn elbow ligament injury in FSU’s season opener against Xavier that forced him to undergo surgery and miss the rest of the 2018 season. Roy Parry, OrlandoSentinel.com, "Seattle Mariners, FSU's Cal Raleigh reach deal before deadline," 7 July 2018 On these nights, any motorist stopped on suspicion of driving while intoxicated and who refuses a breathalyzer test is subject to a warrant signed by a judge ordering them to undergo a blood test. Victoria Cheyne, Houston Chronicle, "Precinct 1's recent DWI initiative results in over 50 arrests county wide," 5 July 2018 Prosecutors dropped that case after Alexander agreed to undergo substance abuse and anger management counseling. David Owens, courant.com, "Judge Denies Former State Rep Alexander's Effort To Avoid Prosecution In Assault Case," 5 July 2018 Will and Tom are arrested and made to take aptitude tests and undergo psychological evaluations. Martin Fritz Huber, Outside Online, "'Leave No Trace' Is Brutally Honest About Rewilding," 28 June 2018 The swim center was built in 1988 and underwent a major renovation in 2001. Steve Dreyer, Pomerado News, "Poway Swim Center won't open until after Labor Day," 27 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'undergo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of undergo

14th century, in the meaning defined at sense 1

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Statistics for undergo

Last Updated

4 Feb 2019

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Time Traveler for undergo

The first known use of undergo was in the 14th century

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More Definitions for undergo



English Language Learners Definition of undergo

: to experience or endure (something)


un·​der·​go | \ ˌən-dər-ˈgō \
underwent\ -​ˈwent \; undergone\ -​ˈgȯn \; undergoing\ -​ˈgō-​iŋ \

Kids Definition of undergo

: to experience or endure (something) I have to undergo an operation. He underwent a change of feelings.

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More from Merriam-Webster on undergo

Rhyming Dictionary: Words that rhyme with undergo

Thesaurus: All synonyms and antonyms for undergo

Spanish Central: Translation of undergo

Nglish: Translation of undergo for Spanish Speakers

Britannica English: Translation of undergo for Arabic Speakers

Comments on undergo

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


to deny responsibility for

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