unfeeling
Definitions
Lacking sympathy, compassion, or sensitivity; callous.
Physically numb or devoid of sensation.
Examples
The villain was described as an unfeeling monster who showed no remorse for his actions.
She found his unfeeling response to her grief deeply hurtful and cold.
It is difficult to work for such an unfeeling boss who ignores the personal struggles of his employees.
Synonyms
callous cold heartless insensitive indifferent apathetic ruthless