willfully
adverbUK /ˈwɪl.fəl.i/
US /ˈwɪl.fəl.i/
Doing something on purpose, even when you know it is wrong.
He willfully broke the rules and did not say sorry.
OTHER MEANINGS
2. Doing something with strong determination and not letting anything stop you.
She willfully kept practicing until she could play the song.
3. Acting in a stubborn way that shows you refuse to change your mind.
The child willfully refused to eat any vegetables.
4. Doing something by your own choice, without being forced by anyone.
He willfully gave his seat to the older man on the bus.