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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

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.
It was built in the 1980s and had recently been undergoing a major renovation. Chan Ho-Him and Ken Moritsugu The Associated Press, Arkansas Online, 27 Nov. 2025 The left-hander underwent surgery in September 2024 to repair the capsule and labrum in his left shoulder, then also underwent arthroscopic right knee surgery this past September while rehabbing his shoulder. Justice Delos Santos, Mercury News, 27 Nov. 2025 But during the holidays, The Angus Barn undergoes a transformation so big, it can only be described as magical. Elliott Harrell, Southern Living, 27 Nov. 2025 The store underwent a makeover courtesy of Zara’s in-house architects and design team, who brought the city’s elegant architectural features in, and transformed it into an experiential space. Samantha Conti, Footwear News, 27 Nov. 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 29 Nov. 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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