lunatic
🇺🇸
/ˈluːnətɪk/
🇬🇧
/ˈluːnətɪk/
Someone who behaves in a very wild, silly, or dangerous way.
I nearly had an accident when a lunatic driver swerved in front of me!
突然前に割り込んできた狂気のドライバーで、事故になりかけました!
A person with a serious mental illness.
In the past, people with severe mental illnesses were often called lunatics.
昔、重度の精神疾患を持つ人々はしばしば狂人と呼ばれていました。
Very foolish, unreasonable, or unsound.
She had this lunatic plan of flying to Paris to surprise her boyfriend.
彼女はパリへ飛んで彼氏を驚かせるというこの狂気の計画を持っていました。