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
The Uruguay midfielder underwent surgery following a hamstring injury sustained when Spurs lost 3-2 away to Bournemouth on January 7.
—
Jack Pitt-Brooke, New York Times, 21 Apr. 2026
The Boyd window has undergone conservation in the past, including restoration work in the 1990s to address deteriorating elements.
—Daniel Cassady, ARTnews.com, 21 Apr. 2026
Designed to study the development of galaxies, stars and distant planets, the telescope has been undergoing tests ahead of launch at the agency’s Goddard Spaceflight Center in Maryland, where it was assembled.
—Loren Grush, Bloomberg, 21 Apr. 2026
Commissioners also sought to amend the ordinance to require cats to also undergo spay or neuter, among other recommendations.
—Ishani Desai, Sacbee.com, 21 Apr. 2026
See All Example Sentences for undergo
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Jack Pitt-Brooke, New York Times, 21 Apr. 2026
The Boyd window has undergone conservation in the past, including restoration work in the 1990s to address deteriorating elements.
—Daniel Cassady, ARTnews.com, 21 Apr. 2026
Designed to study the development of galaxies, stars and distant planets, the telescope has been undergoing tests ahead of launch at the agency’s Goddard Spaceflight Center in Maryland, where it was assembled.
—Loren Grush, Bloomberg, 21 Apr. 2026
Commissioners also sought to amend the ordinance to require cats to also undergo spay or neuter, among other recommendations.
—Ishani Desai, Sacbee.com, 21 Apr. 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 24 Apr. 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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