wilful

adjective
1
done deliberately, although the person doing it knows that it is wrong
عمدی, از روی قصد, عامدانه, متعمد
2
determined to do what you want; not caring about what other people want
خودسر, لجباز, لجوج, خودرای, یکدنده, سرکش, کله‌شق
a wilful child
synonym headstrong