Entry Word: heartless

Function: adjective

Meaning: 1 having or showing a lack of sympathy or tender feelings <a heartless boss who would fire people who missed work, even if they were sick as a dog> — see hard 1
2 having or showing the desire to inflict severe pain and suffering on others <his heartless whipping of runaway slaves virtually to the point of death shocked even other slave owners> — see cruel 1