1.
If you think someone behaves in an unacceptable way and does not do what they are told, you can say they are ~.
...a ~ teenager...
ADJ
~ness
...the normal ~ness of youth.
N-UNCOUNT
2.
A ~ group of people is a group involved in taking violent action against the rulers of their own country, usually in order to change the system of government there.
The ~ officers, having seized the radio station, broadcast the news of the overthrow of the monarchy.
ADJ: ADJ n