RECKLESS

[adjective] - showing a lack of care about risks or danger, and acting without thinking about the results of your actionsShe claimed the company had shown a reckless disregard for its employees safety.He drives with all the reckless abandon (= lack of control and care) of someone who does not think about the future.He was found guilty of reckless driving, fined $1 000 and disqualified from driving for three months.