The Collaborative International Dictionary
cold-heartedness
cold-heartedness \cold"-heart`ed*ness\ n. an absence of concern for the welfare of others; indifference to the suffering of others.
Syn: heartlessness, hardheartedness.
cold-heartedness
coldhearted \cold"heart`ed\, cold-hearted \cold"-heart`ed\, a. Wanting passion or feeling or emotional warmth; indifferent. -- cold"-heart`ed*ness, n.
Wiktionary
cold-heartedness
n. the state of being cold-hearted