Uncastable

Colleen Dewhurst, though in many ways wrong for the virtually uncastable Josie, is as lucid and luminous […]

[…] that he would, like many actors, become so stereotyped in the public mind as to be uncastable in other roles […]

They're strongly typed, uncastable pointers […]

...internal fixation in children with open, unstable, or otherwise uncastable forearm fractures […]

Casting must be done within a day or two of moulding or the moulds will begin to wind-dry and become uncastable […]

This allows the casting of otherwise uncastable materials, with acceptable rejection rates, and can increase ductility by as much as a factor of six.