1. showing a lack of care about danger or the consequences of one’s actions

Examples

• His reckless driving caused the accident.
• She made a reckless decision to quit her job without having another one lined up.
• The company’s reckless spending led to bankruptcy.
• It would be reckless to go hiking in this storm.
• The teenager’s reckless behavior worried his parents.
• Reckless investments can result in significant financial losses.