undergo

verb

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
; undergoes
ˌən-dər-ˈgōz
Synonyms of undergonext

transitive verb

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

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
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.
Ahmed, who was shot several times in the shoulder, is preparing to undergo a third, eight-hour surgery on Friday, according to ABC. Jessie Yeung, CNN Money, 18 Dec. 2025 Over the years, the band has undergone several shakeups, with Duritz, Bryson and Gillingham the only original members to remain. Adam England, PEOPLE, 18 Dec. 2025 Unlike other states that have undergone explicitly political redistricting efforts this year, Florida prohibits partisan gerrymandering, thanks to the Fair Districts Amendment passed by voters in 2010. Claire Heddles, Miami Herald, 18 Dec. 2025 The first uses extrusion, in which the biomass is heated and pressurized before undergoing rapid decompression. Georgina Jedikovska, Interesting Engineering, 18 Dec. 2025 See All Example Sentences for undergo

Word History

First Known Use

14th century, in the meaning defined at sense 1

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

Browse Nearby Words

Cite this Entry

“Undergo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undergo. Accessed 19 Dec. 2025.

Kids Definition

undergo

verb
un·​der·​go ˌən-dər-ˈgō How to pronounce undergo (audio)
underwent
-ˈwent
; undergone -ˈgȯn How to pronounce undergo (audio)
also -ˈgän
; undergoing -ˈgō-iŋ How to pronounce undergo (audio)
1
: endure sense 2
undergo an operation
2
: to pass through : experience
undergoing a change

More from Merriam-Webster on undergo

Last Updated: - Updated example sentences
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