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
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
Outfielder Alan Roden underwent surgery to repair the ulnar collateral ligament in his left thumb on Friday.
—
Betsy Helfand, Twin Cities, 23 Aug. 2025
At the facility, the newest officers from ICE’s Enforcement and Removal Operations arm will undergo an eight-week training course covering topics ranging from immigration law to firearms and driving safety before they are sent to a field office to begin working alongside their peers.
—Anna Giaritelli, The Washington Examiner, 23 Aug. 2025
The new astronaut candidates will next undergo roughly two years of training at NASA before being certified as full astronauts, eligible for future missions.
—Elizabeth Howell, Space.com, 23 Aug. 2025
The brilliant white plinth undergoes seven grinding and polishing stages to achieve its glass-smooth finish.
—Robert Ross, Robb Report, 23 Aug. 2025
See All Example Sentences for undergo
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Betsy Helfand, Twin Cities, 23 Aug. 2025
At the facility, the newest officers from ICE’s Enforcement and Removal Operations arm will undergo an eight-week training course covering topics ranging from immigration law to firearms and driving safety before they are sent to a field office to begin working alongside their peers.
—Anna Giaritelli, The Washington Examiner, 23 Aug. 2025
The new astronaut candidates will next undergo roughly two years of training at NASA before being certified as full astronauts, eligible for future missions.
—Elizabeth Howell, Space.com, 23 Aug. 2025
The brilliant white plinth undergoes seven grinding and polishing stages to achieve its glass-smooth finish.
—Robert Ross, Robb Report, 23 Aug. 2025
See All Example Sentences for undergo
Cite this Entry
“Undergo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/undergo. Accessed 1 Sep. 2025.
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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