impassibility

Sometimes I wonder if our scheme will fail through her impassibility and more than conventional innocence.

The Indian, although his flesh quivered under the blows which came more and more rapidly, preserved his stony impassibility.

Sir Felix was driven to this plain expression of his demand by the impassibility of his debtor.

He had been iron in his impassibility at that time, but he was steel now, and steel which had been through the fiercest of fires.

But soon recovering his impassibility he looked sideways at Narr' Havas without turning his face.