coldhearted
/ˈkɔldˈhɑrdɪd/Definitions
1. adjective
having or showing a lack of emotion or compassion, especially towards others
“She was known for her coldhearted business tactics, firing employees without hesitation.”
2. noun
a person who is unfeeling or unemotional, especially in their treatment of others
“The coldhearted millionaire was criticized for his lack of philanthropy.”