じゆうきまま
free; unfettered; according to one's own whims; doing as one likes
Also written 自由気儘
Noun, Na-adjective
あいつって自由気じゆうきままに暮くらしてるよな。ちょっとは落おち着ついた方ほうがいいんじゃないかな。
He lives a freewheeling life. I think he ought to settle down a little.