There are several synonyms for the word 'un-feelingly'. Some of these include; insensitively, heartlessly, callously, unsympathetically, and coldly. Each of these words is used to describe behavior or actions that lack compassion or empathy towards others. Individuals who act un-feelingly are often seen as indifferent to the feelings of those around them, showing no concern for the consequences of their actions. It is vital to recognize the impact of un-feeling behavior on others, as it can result in emotional harm and long-lasting damage. Therefore, it is essential to show kindness, understanding and empathy towards others, even in difficult situations.