reckless

showing a lack of care for the possible dangers or risks involved in something

temerario, imprudente, arriesgado

• be reckless about/with something

Collocations reckless driving · reckless behaviour

• He was arrested for reckless driving.

  Fue arrestado por conducción temeraria.

showing a lack of thought or care about the possible consequences of your actions

descuidado, negligente, irresponsable

• be reckless with something

Collocations reckless spending · reckless decision-making

• She was reckless with her money.

  Ella era negligente con su dinero.