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English definition of “undergo”

undergo

verb [T]    /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 : He recently underwent heart bypass surgery .
(Definition of undergo verb from the Cambridge Academic Content Dictionary © Cambridge University Press)
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