/ˌʌn.dəˈɡəʊ//-dɚˈɡoʊ/(present participleundergoing, past tenseunderwent, past participleundergone)
Definition
C1to experience something that is unpleasant or something that involves a change: She underwent an operation on a tumour in her left lung last year.Cinema in Britain is undergoing a revival of popularity.Experiencing and suffering