intractable

Is his Golden State address an intractable obstacle or not?

One senses in these endeavors a not insincere overreaction that substitutes for political action, shifting responsibility onto potential victims and accepting the problem as intractable.

Modern white supremacy burns through the exhibition, both as searing illumination of its vile contours and as clenched fury at its intractable endurance.

The European statement referred to "Russia's stalling tactics", indicating how intractable Moscow's position remained.

That day, Altman was dealing with a growing list of seemingly intractable problems, including a political fight over its for-profit restructure in California, that threatened to sink the company.