madwomanEnglishOxford New American Dictionarymadwoman /ˈmadˌwo͝omən, ˈmædˌwʊmən / ▸ noun (plural madwomen) a woman who is mentally ill. ▪ used in similes to refer to a woman who does something very fast, intensely, or violently: she'd driven my father's convertible like a madwoman.