Incompassionateness is defined as a lack of sympathy or concern for others. This negative trait can be expressed through various words such as callousness, cold-heartedness, cruelty, insensitivity, heartlessness, unfeelingness, and indifference. These synonyms highlight the lack of emotion or empathy in someone's actions or words, emphasizing a self-centered demeanor. Such people may disregard the feelings and well-being of others, making them appear insensitive and uncaring. These traits can be applied to a variety of situations, from personal relationships to societal issues. While incompassionateness is a negative trait, these synonyms can help us better understand the nuances of the trait and identify it in ourselves and others.