adjective, balk·i·er, balk·i·est.
- given to balking; stubborn; obstinate: a balky mule.
adjective balkier, balkiest, baulkier or baulkiest
- inclined to stop abruptly and unexpectedlya balky horse
adj.
1847, from balk (n.) + -y (2). Related: Balkily; balkiness.