ironhearted

/ˈaɪərnˌhɑːrtɪd/
adjective
  1. Having no sympathy or pity; cold and unfeeling.
    • She remained ironhearted even when the orphan begged for help.
    • His ironhearted refusal to donate to the charity surprised everyone.
    • The ironhearted villain showed no mercy to his captives.
What does "ironhearted" mean? | whatsthatwordmean | whatsthatwordmean