Disposed to go against the wishes or advice of others or what is proper or reasonable; intractable; self-willed; perverse; (of a child) disobedient…

= contumacious, adj.

= contumacious, adj.

Of a person, action, etc.: going or disposed to go against what is reasonable, logical, expected, or required; contrary, fickle, irrational.

Given to contradiction, contumacious.

Perverse, froward.

= untoward, adj. 1 2.

Of persons (or animals), their disposition, etc.: Difficult to manage, restrain, or control; intractable, unruly, perverse.

Perverse; difficult to manage.

Contemning and obstinately resisting authority; stubbornly perverse, insubordinate, rebellious. (Of persons and their actions.)