UNTRACTABLE

a.[L. intractabilis.] 1. Not tractable; not yielding to discipline; stubborn; indocile; ungovernable; as an untractable son.
2. Rough; difficult.
3. Not yielding to the heat or to the hammer; as an ore.
[Intractable is more generally used. ]

UNTRACTABLENESS

n.Refractoriness; stubbornness; unwillingness to be governed; controlled or managed.