rebellious
US /rɪˈbel.i.əs/
UK /rɪˈbel.i.əs/

1.
showing a desire to resist authority, control, or convention
:
•
The rebellious teenager often clashed with his parents.
•
She had a rebellious spirit and always questioned the rules.
2.
of or characteristic of a rebel
:
•
The group launched a rebellious attack against the government.
•
They joined the rebellious forces in the civil war.