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

Aravind was ordered held without bail and to undergo a mental health evaluation. — Rebekah Riess, CNN Money, 15 Aug. 2026

Antone, who debuted in 2020, underwent his second Tommy John surgery in 2021 and returned in 2023. — C. Trent Rosecrans, New York Times, 15 Aug. 2026

Published in the journal Computers in Human Behavior, 95 people—Millennial and Gen Z men and women, all of whom had a history of using Instagram for an average of eight years—underwent a virtual reality experience called body illusions. — Nicole Karlis, Allure, 14 Aug. 2026

Damayanti must still undergo parliamentary review and a vote. — CNBC, 14 Aug. 2026

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