Note: in AM, use 'willful'
1.
If you describe actions or attitudes as ~, you are critical of them because they are done or expressed deliberately, especially with the intention of causing someone harm.
Wilful neglect of our manufacturing industry has caused this problem...
ADJ: ADJ n disapproval
2.
If you describe someone as ~, you mean that they are determined to do what they want to do, even if it is not sensible.
...as the beautiful Lara becomes ever more ~ and irresponsible.
= headstrong
ADJ