cold-hearted
From Longman Dictionary of Contemporary Englishcold-heartedcold-heart‧ed /ˌkəʊld ˈhɑːtɪd◂ $ ˌkoʊld ˈhɑːr-/ adjective CRUELbehaving in a way that shows no pity or sympathy → warm-hearted I had no idea you could be so cold-hearted. —cold-heartedly adverb —cold-heartedness noun [uncountable]Examples from the Corpuscold-hearted• Does it mean that she is cold-hearted?• a cold-hearted businessman• He couldn't be all that ruthless and cold-hearted if he respected his elders, she mused, her spirits lifting.