The word "clemently" refers to someone who is merciful, lenient or compassionate towards others. Its antonyms are harsh, cruel, and merciless. When an individual behaves harshly, he becomes ruthless and callous, making it difficult for people around him to put their trust in him. Similarly, a person who is merciless exhibits no compassion or pity for others, making them appear unapproachable and difficult to understand. Lastly, someone who behaves cruelly may show sadistic tendencies, enjoying other people's pain and suffering. Thus, it is important to strive for clemency while avoiding the harmful qualities that its antonyms represent.