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

Trump’s aides pointed us to the madman theory, saying that the president’s unpredictability, combined with his genocidal threat to wipe out Iran, had forced the agreement. —Jonathan Lemire, The Atlantic, 9 Apr. 2026

My Lover, the Rabbi unfolds in short chapters, with a rhapsodic, repetitive voice that echoes the work of the 20th-century Austrian madman Thomas Bernhard. —Literary Hub, 2 Apr. 2026

My high school basketball coach was, depending on the day, either a motivational genius or a certified madman. —Mark Glende, Twin Cities, 27 Mar. 2026

Sometimes darkly humorous, sometimes strangely heartbreaking, this immersive storytelling experience is Edgar Allan Poe for the modern age; a heart-to-bleeding-heart with madmen, murderers and monsters all dying to tell their story. —William Earl, Variety, 25 Mar. 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
• crankpin
• cyan
• deadpan
• dextran
• divan
• doorman
• fishman

Kids Definition

madman

noun

mad·​man ˈmad-ˌman 

-mən

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