recklessly
adv. B2 Upper Intermediate US //ˈɹɛkɫəsɫi// UK //ɹˈɛkləsli// reck·less·ly
adv. in a way that shows you do not care about the danger or the rules. You use this when someone acts without thinking about the possible bad results.
adv. in a manner that shows a lack of care for safety or the consequences of one's actions.
He drove recklessly through the busy city streets.
The company was fined for recklessly ignoring the safety regulations that led to the accident.
The pilot was charged with recklessly endangering the lives of the passengers by flying through a severe storm without proper equipment.
From Middle English reklesly, from Old English rēcelēaslīce; equivalent to reckless + -ly.