Meaning of the word cavalier in English

What does cavalier mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

cavalier

US /ˌkæv.əlˈɪr/
UK /ˌkæv.əlˈɪər/

Adjective

having or showing no regard for something that is important or serious

Example:
He has a rather cavalier attitude towards his responsibilities.
Her cavalier dismissal of the concerns of others was quite shocking.

Noun

a supporter of King Charles I in the English Civil War

Example:
The Roundheads fought against the Cavaliers.
Many Cavaliers were known for their long hair and elaborate clothing.