What is another word for heart of stone?
Pronunciation: [hˈɑːt ɒv stˈə͡ʊn] (IPA) 
The phrase "heart of stone" refers to someone who is insensitive or lacks empathy. There are several other phrases that can be used to convey this same meaning. One such phrase is "cold-hearted," which describes someone who is emotionally distant and shows little compassion. Similarly, the phrase "heartless" implies a lack of concern for others' feelings and needs. Another phrase that is often used in this context is "unchangingly insensitive." This phrase emphasizes the idea that the person's apathy is not just a temporary state but a consistent demeanor. Other related phrases include "unfeeling," "hard-hearted," and "callous." All of these synonyms for "heart of stone" underscore the notion of a lack of emotional warmth and connection.
