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Synonyms

madman

American  
[mad-man, -muhn] / ˈmædˌmæn, -mən /

noun

PLURAL

madmen
  1. a person who is or behaves as if insane; lunatic; maniac.


madman British  
/ ˈmædmən /

noun

  1. a man who is insane, esp one who behaves violently; lunatic

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of madman

First recorded in 1300–50, madman is from Middle English madd man. See mad, man

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“It rushes like a madman, and all the other scheduled trains make way for it,” he wrote on his blog in 2021.

From Washington Post

We see Serkis, sporting an elaborate pompadour and the practically lip-smacking glee of a madman, watching from the crowd in the aftermath of a staged crime scene his character has created.

From Washington Post

During the endless Brexit talks, Mr. Johnson often played hardball with the Europeans, sometimes relying on a so-called madman strategy and threatening to quit the bloc without any deal at all.

From New York Times

For the next several months, “I was just like a madman in my room, working on television and film characters. I was able to get 100 to 150 voices over that summer.”

From Washington Post

He’s just crazy, a madman in want of a straitjacket.

From Los Angeles Times