un·​der·​go | \ ˌən-dər-ˈgō How to pronounce undergo (audio) \
underwent\ ˌən-​dər-​ˈwent How to pronounce undergo (audio) \; undergone\ ˌən-​dər-​ˈgȯn How to pronounce undergo (audio) also  -​ˈgän \; undergoing\ ˌən-​dər-​ˈgō-​iŋ How to pronounce undergo (audio) , -​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 Fairfax school system mandated vaccination for its roughly 28,000 employees but allowed staffers to opt out without requiring a reason, while mandating that anyone unvaccinated after Nov. 1 must undergo weekly testing. Washington Post, 20 Oct. 2021 After the roof was repaired, the city announced in June 2020 that the planetarium would undergo renovations. From Usa Today Network And Wire Reports, USA TODAY, 19 Oct. 2021 Ravens left tackle Ronnie Stanley, the cornerstone of the team’s offensive line, will undergo season-ending ankle surgery for the second straight year, the team announced Tuesday. Jonas Shaffer, baltimoresun.com, 19 Oct. 2021 The city of Boston is requiring its workers to get vaccinated or agree to undergo regular testing. BostonGlobe.com, 18 Oct. 2021 Attorneys for Los Angeles County want the court to order Bryant and other family members of the people who were killed in the crash, including children, to undergo psychiatric evaluations as independent medical examinations. Stefanie Dazio, chicagotribune.com, 18 Oct. 2021 Mayfield went 19-of-28 passing for 234 yards, 2 TDs, 1 interception and a 102.4 rating with five sacks and will undergo an MRI today to determine the extent of the injury. Josh Gunter And John Kuntz, cleveland, 18 Oct. 2021 The justices' internal workings are likely to undergo more scrutiny in upcoming months. Joan Biskupic, CNN, 17 Oct. 2021 Reminders for aircraft to undergo maintenance were also deleted—an act that could have caused airplanes to fly longer than recommended without the proper maintenance procedures. Kyle Mizokami, Popular Mechanics, 15 Oct. 2021

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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Time Traveler for undergo

Time Traveler

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

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Last Updated

22 Oct 2021

Cite this Entry

“Undergo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undergo. Accessed 26 Oct. 2021.

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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 How to pronounce undergo (audio) \
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.

More from Merriam-Webster on undergo

Nglish: Translation of undergo for Spanish Speakers

Britannica English: Translation of undergo for Arabic Speakers


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