Meaning of “undergo” in the English Dictionary

british dictionary

"undergo" in British English

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undergoverb [ T ]

uk /ˌʌn.dəˈɡəʊ/ us /ˌʌn.dɚˈɡoʊ/ present participle undergoing, past tense underwent, past participle undergone

C1 to experience something that is unpleasant or something that involves a change:

She underwent an operation on a tumour in her left lung last year.
Playing board games is undergoing a revival in popularity.

More examples

  • He seems to have undergone a change in attitude recently, and has become much more co-operative.
  • After the accident, he underwent reconstructive surgery to rebuild his face.
  • I had to undergo a medical examination when I started my pension scheme.
  • Athletes must undergo a mandatory drugs test before competing in the championship.
  • The company is undergoing a radical reorganization.

(Definition of “undergo” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"undergo" in American English

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undergoverb [ T ]

us /ˌʌn·dərˈɡoʊ/ present tense undergoes, present participle undergoing, past tense underwent /ˌʌn·dərˈwent/ , past participle undergone /ˌʌn·dərˈɡɔn, -ˈɡɑn/

to experience something that is unpleasant or has a strong effect:

(Definition of “undergo” from the Cambridge Academic Content Dictionary © Cambridge University Press)