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

Keep scrolling for more

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

Allis-Chalmers in 1900 had bought around 100 acres in what's now West Allis, where the company began developing a massive complex to build tractors (and which today continues to undergo its own redevelopment). Tom Daykin, Milwaukee Journal Sentinel, "Model railroad club still operates in a historic train station hiding in plain sight in the Harbor District," 13 July 2018 He was released on $5,000 bond and required to undergo mental health counseling. Howard Cohen, miamiherald, "A man stole a gun from a store, cops say. But what a manager did next got him fired.," 12 July 2018 But a source told The Star that Shelton is scheduled to undergo surgery on his knee after suffering an undisclosed injury during Saturday’s draw with Toronto FC. Sam Mcdowell, kansascity, "As transfer window opens, Sporting KC sets sights on striker," 11 July 2018 The company’s rates will remain unchanged until the rate request undergoes extensive public review by the PSC and the Maryland Office of People’s Counsel that will include public hearings. Allan Vought, The Aegis, "Bel Air water company seeks rate increase to recover new reservoir costs," 28 June 2018 Alderson announced that he was diagnosed with cancer and would undergo chemotherapy in December 2015. Chris Chavez, SI.com, "Mets GM Sandy Alderson Taking Leave Of Absence After Cancer Relapse," 26 June 2018 Disney’s proposal isn’t undergoing F.C.C. review, and Comcast said its offer shouldn’t be subject to F.C.C. approval since there wouldn’t be any transfer of broadcast licenses. Edmund Lee, New York Times, "With Two Suitors for Fox, the Murdochs Consider Next Steps," 18 June 2018 StormPeace, meanwhile, undergoes no state review because it is sold through an unregulated surplus carrier. Ron Hurtibise, Sun-Sentinel.com, "Deductibles, spoiled food, evacuation costs: New hurricane coverage pays what traditional policies won’t," 5 June 2018 The Bishop Ford Expressway also would undergo $1.7 million in bridge preservation work where I-94 crosses the Little Calumet River in South Holland. Ted Slowik, Daily Southtown, "State targets roadwork throughout south suburbs in new 6-year plan," 1 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.

See More

First Known Use of undergo

14th century, in the meaning defined at sense 1

Keep scrolling for more

Learn More about undergo

Statistics for undergo

Last Updated

11 Nov 2018

Look-up Popularity

Time Traveler for undergo

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

See more words from the same century

Keep scrolling for more

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.

Keep scrolling for more

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).


full of whispering sounds

Get Word of the Day daily email!

Test Your Vocabulary

Difficult Vocab Quiz

  • the-education-of-achilles-eugne-delacroix
  • Which is a synonym of discomfit?
True or False

Test your knowledge - and maybe learn something along the way.

Word Winder's CrossWinder

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


Love words? Need even more definitions?

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