1. impatient of control, restraint, or delay, as persons; restless; uneasy.
2. refractory; stubborn.
3. refusing to go forward; balky: a restive horse.
http://dictionary.reference.com/browse/restive
The restive member of the group made it impossible for anyone to get a good grade because her way of doing things was often the wrong way, but she refused to acknowledge it.
