0 ex-wife [noun]Someone's ex-wife is the woman they were once married to. US /ˌeksˈwaɪf/ UK /ˌeksˈwaɪf/ Cambridge Advanced Learner's Dictionary ex- ˈ wife / ˌeksˈwaɪf / noun [ C ] Someone's ex-wife is the woman they were once married to. Collins Advanced Learner’s English Dictionary noun a former wife Merriam-Webster's Advanced Learner's Dictionary a woman to whom one was formerly married : a former wife American EnglishBritish Englishmarriage - cohabitation and other relationshipsB1 (Intermediate)nounShortened URL: http://lngt.co/ex-wife1en