madness

noun

mad·​ness ˈmad-nəs How to pronounce madness (audio)
1
: the quality or state of being mad: such as
a
: a state of severe mental illness
not used technically
… fortifications against an inner darkness, the threat of madness that crouched above him throughout his life.Robert F. Moss
b
: behavior or thinking that is very foolish or dangerous : extreme folly
an idea that is pure/sheer madness
d
: intense anger : rage
2
: any of several ailments of animals marked by frenzied behavior
specifically : rabies

Examples of madness in a Sentence

He suffered a series of tragedies that nearly drove him to madness. Her friends told her the idea was pure madness, but she went through with it anyway. It was the height of madness for him to drive at such high speeds!
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The there is the early childhood of the people she’s been visiting, most of whom are now in their late 80s or 90s — the innocent pre-World War II days before the round-ups, the concentration camps, the madness, the murder. Christine Dimattei, Sun Sentinel, 18 June 2025 Irresistible madness: Boca Juniors and Benfica see red, Chelsea ease past LAFC Now then. Phil Hay, New York Times, 17 June 2025 On the one hand, resistance to literary devices is tragic: the Fact Checker became overwhelmed by the chaos of reality, and maybe some metaphor would have kept the madness at bay. Isabel Clara Ruehl june 16, Literary Hub, 16 June 2025 Just a normal rush hour excursion anywhere within the spokes of uptown features bumper-to-bumper traffic that necessitates a constant peek at Waze to see what’s the best route to avoid the madness. Roderick Boone, Charlotte Observer, 14 June 2025 See All Example Sentences for madness

Word History

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of madness was in the 14th century

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Cite this Entry

“Madness.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/madness. Accessed 22 Jun. 2025.

Medical Definition

madness

noun
mad·​ness ˈmad-nəs How to pronounce madness (audio)
1
: a severely disordered state of mind
not used technically
2
: any of several ailments of animals marked by frenzied behavior
specifically : rabies

More from Merriam-Webster on madness

Last Updated: - Updated example sentences
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