Nincompoop
/ˈnɪn.kəm.puːp/noun
A foolish or stupid person.
Did you know?The term 'nincompoop' may derive from a Latin phrase meaning 'non compos mentis', which translates to 'not of sound mind', hinting at a deeper, almost legal idiocy!
Etymological Timeline
Latin
Latin
non compos mentis
“Not of sound mind.”
17th Century
English
nincompoop
“A term used to describe someone lacking in intelligence or common sense.”
18th Century
English
nincompoop
“Solidified into common vernacular, often used humorously.”
19th Century
English
nincompoop
“Continued usage in British and American English, evolving into a playful insult.”
Explore more surprising origins