madness
🇺🇸
/ˈmædnəs/
🇬🇧
/ˈmædnəs/
When someone is not thinking clearly or acting very strangely, like they have a mental illness.
Her behavior was pure madness, and no one could understand it.
When someone does something very risky or silly, without thinking about the consequences.
Jumping off the bridge was an act of madness.