undergo

verb

un·​der·​go ˌən-dər-ˈgō 

underwent ˌən-dər-ˈwent  ; undergone ˌən-dər-ˈgȯn 

also -ˈgän

; undergoing ˌən-dər-ˈgō-iŋ 

-ˈgȯ(-)iŋ

; undergoes

ˌən-dər-ˈgōz

transitive verb

1

: to submit to : endure

2

: to go through : experience

undergo a transformation

3

obsolete : undertake

4

obsolete : to partake of

Synonyms of undergo

• endure
• experience
• have
• see

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 findings show that, while individual fullerene cages undergo reversible distortions, the overall bridged scaffold remains intact. —Aman Tripathi, Interesting Engineering, 25 Dec. 2025

Such tribulations have hidden the kind of personal growth that Kerr has undergone as a coach, even if the record does not indicate it. —Joseph Dycus, Mercury News, 25 Dec. 2025

The false claim that undergoing IVF treatment causes early menopause was swirling around on the internet this summer. —Helen Carefoot, Flow Space, 25 Dec. 2025

After serving the area for 60 years, High Noon Resort recently underwent a major renovation to maintain its idyllic setting. —Tara Massouleh McCay, Southern Living, 25 Dec. 2025

Word History

First Known Use

14th century, in the meaning defined at sense 1

Rhymes for undergo

• afterglow
• akimbo
• albino
• aliquot
• allegro
• amigo
• apropos
• audio
• bungalow
• calico
• calypso
• cameo

Kids Definition

undergo

verb

un·​der·​go ˌən-dər-ˈgō 

underwent

-ˈwent

; undergone -ˈgȯn 

also -ˈgän

; undergoing -ˈgō-iŋ 

1

: endure sense 2

undergo an operation

2

: to pass through : experience

undergoing a change