1. to treat with dismissive disregard; to behave in a carefree or offhand manner toward someone or something
Usage: often used with 'around' or 'with'

1. showing a carefree or dismissive attitude; treating matters lightly without proper seriousness
Usage: often implies irresponsibility or lack of concern

Examples

• He was cavaliering about the project deadline, which frustrated his team.
• She took a cavaliering approach to the safety regulations.
• They cavaliered around with the client's concerns instead of addressing them seriously.
• His cavaliering attitude toward other people's feelings made him unpopular.
• The manager was cavaliering with the budget, spending without proper oversight.
• Don't be so cavaliering about your responsibilities.
• She cavaliered through the meeting without listening to anyone's input.