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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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.