Definition of madman noun from the Oxford Advanced American Dictionary

 

madman

 noun
noun
NAmE//ˈmædmæn//
 
, NAmE//ˈmædmən//
 
(pl. madmen
NAmE//ˈmædmɛn//
 
, NAmE//ˈmædmən//
 
)
 
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a man who has a serious mental illness or acts in a wild or uncontrolled way The killing was the act of a madman. He drove like a madman. Some madman (= stupid person) deleted all the files. see also madwoman
See the Oxford Advanced Learner's Dictionary entry: madman