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)

transitive verb

: to submit to : endure
: to go through : experience
undergo a transformation
obsolete : undertake
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 The commercial real estate industry has undergone significant shifts since the pandemic. Steven Norton, Forbes, 26 Feb. 2024 The construction of domestic manufacturing facilities is undergoing a historic boom. Peter E. Harrell, Foreign Affairs, 26 Feb. 2024 Cancer patients who risk losing their fertility during treatment might also preemptively freeze eggs or embryos before undergoing treatment. Zoe Sottile, CNN, 26 Feb. 2024 In 2023, after undergoing a battery of medical tests, Wendy was officially diagnosed with primary progressive aphasia and frontotemporal dementia. Lauren Huff, EW.com, 23 Feb. 2024 Firefighter Clint Robinson underwent surgery Feb. 7 and was released from the hospital the next day. Harriet Ramos, Fort Worth Star-Telegram, 23 Feb. 2024 The actor was ordered to take behavior intervention plan classes, as well as being ordered to undergo drug and alcohol assessment. Sean Neumann, Peoplemag, 22 Feb. 2024 According to Dua, 50% of patients who have to undergo a leg amputation due to complications of PAD pass away within the first two years after amputation. Francisco J. Rivera Rosario, Health, 22 Feb. 2024 His opening round starts at 9:25 a.m. Thursday in a threesome with Justin Thomas and Gary Woodland, who was granted an exemption after undergoing brain surgery late last year. Steve Galluzzo, Los Angeles Times, 15 Feb. 2024 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'undergo.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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

Dictionary Entries Near undergo

Cite this Entry

“Undergo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undergo. Accessed 3 Mar. 2024.

Kids Definition


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

More from Merriam-Webster on undergo

Last Updated: - Updated example sentences
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