lunatic
🇺🇸
/ˈluːnətɪk/
🇬🇧
/ˈluːnətɪk/
noun
R
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!
R
A person with a serious mental illness.
In the past, people with severe mental illnesses were often called lunatics.
adjective
R
Very foolish, unreasonable, or unsound.
She had this lunatic plan of flying to Paris to surprise her boyfriend.
translation
Someone who behaves in a very wild, silly, or dangerous way.; A person with a serious mental illness.
Very foolish, unreasonable, or unsound.
Word Forms
Plural
lunatics