cavalier

Refers to a mindset of not taking important matters seriously.

indiferencia arrogante

Refers to a lack of concern for rules, safety, or others' feelings.

Sugiere una indiferencia despreocupada y que muestra falta de la debida preocupación.

de manera arrogante

Used in the phrase 'in a cavalier fashion' to mean doing something in an offhand or dismissive way.

Se usa en la frase 'in a cavalier fashion' para significar hacer algo de manera displicente o arrogante.

rechazo arrogante

Refers to the act of rejecting something (like an idea or a person) without due consideration.

Negarse a considerar algo importante sin pensarlo o cuidarlo lo suficiente.