1. the quality or state of being cruel, unkind, or lacking compassion and sympathy

Examples

• The heartlessness of his response to her suffering shocked everyone in the room.
• She was criticized for the heartlessness of abandoning her elderly parents.
• The villain's heartlessness made him a truly despicable character in the novel.
• His heartlessness toward animals revealed a disturbing lack of empathy.
• The heartlessness of the decision to cut funding for homeless shelters sparked public outrage.
• Despite her heartlessness, she was promoted to a leadership position.
• The heartlessness displayed in the comments section of the article was deeply troubling.