Executed without feeling or emotion:
Emotionally hardened; unfeeling:
Using or based on data that are readily quantified or verified:
(Informal) Not affected by sentiment, pity, etc.; tough; callous
Confirmed or inveterate, esp. in wrong or immoral behavior; habitual
Unfeeling; pitiless; cruel
The definition of heartless is showing a lack of empathy or compassion.
Not changing in response to argument or other influence; obstinate or intractable:
Incapable of sympathy or mercy; hardhearted; callous; cruel
Completely lacking in compassion
Find another word for compassionless. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for compassionless, like: cold-blooded, callous, cold-hearted, hard, hard-boiled, hardened, hardhearted, heartless, obdurate, stonyhearted and unfeeling.