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.
The role and the accolades that followed were well earned, as Karabash had prepared rigorously for the part, from undergoing nurse’s training to even begging in a marketplace under the supervision of director Ralitza Petrova. Encyclopedia Britannica, 19 May 2026 At the appointment, Benjamin underwent a 20-minute electroencephalogram (EEG) test to monitor his brain activity. Jordan Greene, PEOPLE, 19 May 2026 EverBank Stadium, currently undergoing renovations, will be completely closed during the 2027 season. Armando Salguero Outkick, FOXNews.com, 19 May 2026 SpaceX's Starship is poised to launch its twelfth test flight later this week (currently no earlier than May 20), and Blue Origin's Blue Moon Mark 1 (MK1) is undergoing late-stage testing at the company's facilities near KSC, in Florida. Josh Dinner, Space.com, 19 May 2026 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 21 May. 2026.

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

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