An unfeeling person can also be described as apathetic, callous, cold-hearted, indifferent, insensitive, numb, and unemotional. They may lack empathy, sympathy, or compassion towards others and can come across as detached or unconcerned. Other synonyms for this type of person include heartless, ruthless, uncaring, unresponsive, and stoic. They may exhibit a lack of emotions and an inability to connect with others on an emotional level. It is important to recognize these traits in individuals, as they can negatively impact interpersonal relationships and the overall well-being of those around them.