Examples from the Web for impassivity
Thatcher greeted Rose quietly but with a pressure of the hand which made up for his impassivity of countenance.Rose of Dutcher's Coolly|Hamlin Garland
James heard of his host's defection with impassivity and a glance of his eyeglass.Love and Lucy|Maurice Henry Hewlett
Her eyes searched his face; encountered that barrier of impassivity.Caravans By Night|Harry Hervey
Old John's face lost something of its impassivity as he in turn raised to the limit.The Story of the Foss River Ranch|Ridgwell Cullum
And what his chef may lack in skill his butler more than makes up for in impassivity.