In-humanness refers to qualities or behavior that are not typical of human beings. Some synonyms that can be used in place of the word in-humanness include barbarity, cruelty, callousness, heartlessness, and ruthlessness. Other related terms that can be used to describe in-humanness are brutality, inhumanity, and savagery. When people display in-humanness, it can result in extreme harm, emotional or physical pain for other individuals. It is important to recognize and condemn in-humanness whenever it is exhibited, as it runs counter to humanity's moral and ethical values. By using these synonyms to describe in-humanness, we can better understand and address this destructive behavior in our society today.