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
The couple is currently expecting their first child together after successfully undergoing IVF treatment.
—
Madison E. Goldberg, PEOPLE, 31 Oct. 2025
Key defender Jarrad Branthwaite is not expected to play again this year after undergoing surgery on a hamstring injury, with Senegalese duo Ndiaye and Idrissa Gueye also likely to miss a sizeable chunk of games this winter due to the Africa Cup of Nations.
—Chris Weatherspoon, New York Times, 31 Oct. 2025
Without understanding what her body is undergoing, Pagli dies alone in labor.
—JSTOR Daily, 30 Oct. 2025
For his role as Erik, the disfigured organist who haunts the catacombs of the Paris opera house, Chaney underwent a dramatic — and painful — transformation that involved pulling back his nostrils with piano wire to create a skeletal look.
—Katie Rife, Entertainment Weekly, 30 Oct. 2025
See All Example Sentences for undergo
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Madison E. Goldberg, PEOPLE, 31 Oct. 2025
Key defender Jarrad Branthwaite is not expected to play again this year after undergoing surgery on a hamstring injury, with Senegalese duo Ndiaye and Idrissa Gueye also likely to miss a sizeable chunk of games this winter due to the Africa Cup of Nations.
—Chris Weatherspoon, New York Times, 31 Oct. 2025
Without understanding what her body is undergoing, Pagli dies alone in labor.
—JSTOR Daily, 30 Oct. 2025
For his role as Erik, the disfigured organist who haunts the catacombs of the Paris opera house, Chaney underwent a dramatic — and painful — transformation that involved pulling back his nostrils with piano wire to create a skeletal look.
—Katie Rife, Entertainment Weekly, 30 Oct. 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 31 Oct. 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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