This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. The quality of being insensitive.

n. the inability to respond to affective changes in your interpersonal environment

"On September 11, Serbia's war crimes prosecutor announced indictments against the group for murders and other crimes in Cuska that showed "extreme cruelty, brutality, insensitiveness and ruthlessness.""

inability    unfitness   

callousness    callosity    unkindness    tin ear    insensibility   

automaticity    corruptibility    lustiness    widowerhood    filthiness