cavalierism

/ˌkævəˈlɪrɪzəm/
noun
  1. An attitude or behavior that is carelessly dismissive, arrogant, or unconcerned about important matters.
    • His cavalierism in the lab made his colleagues nervous about safety.
    • The manager's cavalierism led to several costly mistakes in the budget.
    • Many voters were upset by the politician's cavalierism toward environmental issues.
  2. The principles or practices of the Cavaliers (royalists) during the English Civil War.
    • The historian wrote a book about the rise of cavalierism in 17th-century England.
    • Cavalierism included loyalty to the king and a certain style of dress and manners.
    • The debate between cavalierism and puritanism shaped much of English culture.
Antonyms
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