impassiveness
im·pas·si·veness
noun
1.
apathy demonstrated by an absence of emotional reactions
Origin
From impassive + -ness.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.