Balky
/ˈbɔːlki/
Definition 1 of 2
Pro Tip 1/3Resisting Change
Indicates unwillingness to accept new conditions or adapt. 
Employees can be balky when new management takes over.
Pro Tip 2/3Personification
Used to describe animals or objects as if they have human-like refusal. 
I named my balky old car 'The Goat' because it's just as stubborn.
Pro Tip 3/3Negative Connotation
Often implies frustration with the person or object referred to. 
Our balky negotiator made the talks more difficult than necessary.