The word "in-sensiblenesses" refers to a lack of sensitivity, awareness, or understanding. Antonyms for this word could include traits such as empathy, compassion, insight, and awareness. Someone who possesses these qualities would be considered to be sensitive to the needs and feelings of others, emotionally intuitive, and able to understand complex issues. Other antonyms could include words like thoughtful, considerate, understanding, and insightful. By demonstrating these qualities, individuals can become more attuned to the needs of others and create more meaningful connections in their personal and professional relationships.