Definition of madman in English:

madman

Line breaks: mad¦man
Pronunciation: /ˈmadmən
 
/

noun (plural madmen)

1A man who is mentally ill.
More example sentences
  • We need to get away from the idea that the only people bound by demons are mentally deranged madmen.
  • It was like engaging with the texts of a madman in a mental institution.
  • By now, everyone along the wide corridor was chucking very hurtful comments at me, all laughing like madmen or madwomen.
1.1An extremely foolish or reckless person: car got out of control—some madman going too fast
More example sentences
  • If you argue with a madman, it is extremely probable that you will get the worst of it; for in many ways his mind moves all the quicker for not being delayed by the things that go with good judgment.
  • Except for the maddening crowds at every store, and except for the idiots at Roosevelt Field mall and except for the madmen on the road today, it was a stellar day.
  • He and his passengers were nearly wiped out a couple of times by the driver he referred to as a madman.
Synonyms
informal loony, nut, nutter, nutcase, nutjob, cuckoo, head case, basket case, headbanger, psycho, schizo, crank, crackpot
Scottish informal radge
North American informal screwball
US informal wing nut
North American & Australian/New Zealand informal dingbat
1.2Used in similes to refer to a person who does something very fast or intensely: I was working like a madman
More example sentences
  • Though his injuries were always an obstacle in his training, as soon as Dekkers was well, he was back in the gym, working like a madman on the heavy bag, doing the repetitions necessary to develop his power.
  • After seeing the movie, and discovering that the tournament was moving to Brooklyn, I started practicing like a madman, downloading hundreds of old puzzles and buying up a bunch of books.

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