lunacy
🇺🇸
/ˈluːnəsi/
🇬🇧
/ˈluːnəsi/
noun
R
Extremely foolish or irrational behavior.
Going outside without a coat in a snowstorm is sheer lunacy.
R
A state of mental illness.
His erratic behavior was a sign of his growing lunacy.
translation
Extremely foolish or irrational behavior.; A state of mental illness.
Word Forms
Plural
lunacies