hard·heart·ed 
(härdhärtĭd)
(härdhärtĭd)adj.
Lacking in feeling or compassion; pitiless and cold.
hardhearted·ly adv.
hardhearted·ness n.
- heartland
- heartless
- heartlessly
- heartlessness
- heart-lung machine
- heart massage
- heart of palm
- heart rate
- heart-rending
- heartrending
- Heart River
- heart-searching
- heartsease
- heart's-ease
- heartsick
- heartsickness
- heart-stricken
- heartstring
- heart-struck
- heartthrob
- heart-to-heart
- heartwarming
- heartwood
- heartworm
- hearty