James heard of his host's defection with impassivity and a glance of his eyeglass.
She continued in her impassivity, smiling a provoking and inscrutable smile.
She would find it impossible to outdo him in the matter of impassivity.
But when the still figure on the roof saw me, the impassivity of it vanished.
The contemptuous voice pierced the Indian's armor of impassivity.