impassiveness's Usage Examples:

used produces instruments with high stability, very low weight, and impassiveness to humidity and temperature changes.

storm, clearness of judgment in moments of grave peril, immobility, impassiveness, or, to use an old and expressive word, phlegm.

illness will doubtless see to that) I cannot be sure of maintaining the impassiveness of a Thrasea, but I shall at least have the resource of resigning myself.

is to display what Thomas Scheff calls "character" – composure and impassiveness in times of great stress or emotion.

Incumbent Chief Executive Donald Tsang was noted for his impassiveness in the campaign.

with Naan earlier and now Salim, he has managed to find roles where impassiveness is a trait of the character.

Bellini and Alvise Vivari, who painted Madonna with solemnness and impassiveness.

He taught them the ways of the Saints, emphasizing stoicism and impassiveness in battle, to be able to protect peace on Earth.

exaggerated sensibility towards the feelings of the battalion commanders, impassiveness and reluctance to act prevented the exercising of any distinct influence.

Synonyms:

apathy; emotionlessness; impassivity; stolidity; unemotionality; indifference; phlegm;

Antonyms:

emotionality; concern; activeness;