Antonyms for the word "more sympathizing" would be "less empathetic", "insensitive", "unsympathetic", "cold-hearted", "indifferent", "unfeeling", or "apathetic". If someone is less empathetic, they might struggle to understand the emotions of others and fail to show compassion. Someone who is insensitive might say or do things that hurt others without realizing it. An unsympathetic person might lack the ability to empathize with others and offer comfort or support. If someone is cold-hearted, they may lack emotion or empathy altogether. Being indifferent means lacking interest or concern for others, while an unfeeling person may lack the ability to feel empathy. Finally, apathy is a complete lack of interest, emotion, or concern.