Simple Definition of madness
: a state of severe mental illness
: behavior or thinking that is very foolish or dangerous
Examples of madness
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!
First Known Use of madness
Learn More about madness
Thesaurus: All synonyms and antonyms for "madness" Medical Dictionary: Definition of "madness" Spanish Central: Translation of "madness" Nglish: Translation of "madness" for Spanish speakers Britannica English: Translation of "madness" for Arabic speakers Britannica.com: Encyclopedia article about "madness"
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