Emotionally hardened; unfeeling:
Executed without feeling or emotion:
Using or based on data that are readily quantified or verified:
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
Combative in nature.
Find another word for hard-boiled. In this page you can discover 27 synonyms, antonyms, idiomatic expressions, and related words for hard-boiled, like: callous, cold-blooded, cold-hearted, compassionless, hard, hardened, hardhearted, heartless, obdurate, stonyhearted and unfeeling.