👉 The term "unmerciless" is often used to describe someone who is indifferent or cruel towards others. It can also refer to a situation where a person behaves in such a way that they do not consider the feelings of others, even when it benefits them personally. The word "merciless" means to be unfeeling or cold-hearted, and can be applied to any behavior or situation where someone is intentionally indifferent to the needs or feelings of another person.