undergo
verb
un·der·go
ˌən-dər-ˈgō 
underwent
ˌən-dər-ˈwent
; undergone
ˌən-dər-ˈgȯn
; undergone
ˌən-dər-ˈgȯn
also -ˈgän
; undergoing
ˌən-dər-ˈgō-iŋ
-ˈgȯ(-)iŋ
; undergoes
ˌən-dər-ˈgōz
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
Mohammadi suffered multiple heart attacks while imprisoned before undergoing emergency surgery in 2022, her supporters say.
—
CNN Money, 9 Feb. 2026
The company’s broader artificial intelligence suite already emphasizes anomaly detection and real-time monitoring of regulatory change, and this workforce and leave engine fits neatly into that narrative by treating time data as another stream to undergo continuous evaluation for risk.
—Daniel Fusch, USA Today, 9 Feb. 2026
According to a Flight Global report, Taiwan aims to procure 10 Lockheed Martin C-130J tactical transport aircraft, rather than undergoing a costly C-130H modernisation program.
—Chris Young, Interesting Engineering, 9 Feb. 2026
While the mouse brain contains about 100 million cells, the human brain has around 170 billion, and that menagerie is still undergoing genetic analysis.
—Amber Dance, Quanta Magazine, 9 Feb. 2026
See All Example Sentences for undergo
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CNN Money, 9 Feb. 2026
The company’s broader artificial intelligence suite already emphasizes anomaly detection and real-time monitoring of regulatory change, and this workforce and leave engine fits neatly into that narrative by treating time data as another stream to undergo continuous evaluation for risk.
—Daniel Fusch, USA Today, 9 Feb. 2026
According to a Flight Global report, Taiwan aims to procure 10 Lockheed Martin C-130J tactical transport aircraft, rather than undergoing a costly C-130H modernisation program.
—Chris Young, Interesting Engineering, 9 Feb. 2026
While the mouse brain contains about 100 million cells, the human brain has around 170 billion, and that menagerie is still undergoing genetic analysis.
—Amber Dance, Quanta Magazine, 9 Feb. 2026
See All Example Sentences for undergo
Cite this Entry
“Undergo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undergo. Accessed 15 Feb. 2026.
Copy CitationKids Definition
undergo
verb
un·der·go
ˌən-dər-ˈgō
1
: endure sense 2
undergo an operation
2
: to pass through : experience
undergoing a change
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