ex-boyfriend noun[ C ] uk /ˌeksˈbɔɪ.frend/ us /ˌeksˈbɔɪ.frend/ Someone's ex-boyfriend is a man or boy that they had a romantic or sexual relationship with in the past: Cathy's ex-boyfriend was a really nice guy.凯茜以前的男友是个非常好的小伙子。 The ex-boyfriend is not being treated as a suspect in the crime. See
ex-
boyfriend I never keep in touch with my ex-boyfriends. She is now in a relationship with my ex-boyfriend. My ex-boyfriend ran off with my best friend. He discovered that one of his ex-boyfriends was about to sell the story to the papers.