reckless

not thinking about the possible bad effects of your actions (or, in this case, the lack of action) ชะล่าใจ, สะเพร่า

Prime Minister Yingluck Shinawatra yesterday ordered state authorities to improve the disaster warning system and insisted her government was not reckless with regard to the issue.

 The driver was detained for questioning and may face a charge of reckless driving, police said.

As far as the refs are concerned, Kompany left the ground with both feet, which constitutes reckless play.