madman

noun

mad·​man ˈmad-ˌman 

-mən

: a man who is or acts as if insane

Synonyms of madman

• devil
• cowboy

Examples of madman in a Sentence

a celebrity being stalked by a madman

as far as I'm concerned, anyone who likes skydiving is a madman

Recent Examples on the Web

Home of the subversive and the sublime, the maverick and the madman, the inspired and the inspiring, the sage and the clown, and, most important, the brave. — Tom Selleck, USA Today, 11 Sep. 2026

First, as Americans, by the madmen who strike at our nation, at our physical, mental and emotional core. — Reshma Memon Yaqub, Rolling Stone, 11 Sep. 2026

Either Republicans will retain control of Congress, or enough Democrats (one hopes) will prevail so Congress can reclaim its authority over a madman executive. — Sun Sentinel Editorial Board, Sun Sentinel, 15 Aug. 2026

Many writers travelled to Jonestown to survey the shambles and determine whether this was a utopian experiment gone astray or a madman’s fever dream destined to fail. — Hua Hsu, New Yorker, 14 July 2026

Word History

First Known Use

14th century, in the meaning defined above

Phrases Containing madman

• like a madman

Rhymes for madman

• afghan
• bedpan
• began
• caveman
• chapin
• cyan
• deadpan
• dextran
• divan
• doorman
• fishman
• flagman

Kids Definition

madman

noun

mad·​man ˈmad-ˌman 

-mən

: a man who is or who acts as if mentally unsound