( superl. )
Quietly impudent; negligent of propriety in matters of minor importance, either ignorantly or willfully; presuming and selfish; audacious; as, cool behavior.
( superl. )
Quietly impudent; negligent of propriety in matters of minor importance, either ignorantly or willfully; presuming and selfish; audacious; as, cool behavior.
Webster's Revised Unabridged English Dictionary. Пересмотренный полный словарь английского языка Webster. 2012