Impassible [adjective]

I seemed already to be dead to the world, and a corpse with simply the impassible spirit outliving it.

Frederick changed colour and hung his head, but remained silent and impassible.

We expected to see him burst forth into a passion, but he remained impassible, he became pale.

Bertrand was silent, almost impassible in the midst of the seething effervescence of the people.

But he remained curiously impassible, looking at those present as if they were objects dimly seen afar off.

Impassible in his seat, the hermit laborer remained sunk in meditation, or observed what took place around him.

Take the most impassible stoic and make him see suddenly something very wonderful, or a terrible and unexpected object.

The converse is true of electricity: it passes through iron, and finds the air to be a solid impassible body.

Still impassible, the girl, instead of answering, stretched her hand towards her key; but M. Fortin stopped her arm.

That much greater man, Augustus Melmotte, put his thumbs into the arm-holes of his waistcoat, and was impassible.