The term "sleazeball" refers to a person who is manipulative, dishonest or untrustworthy. The antonyms for this word could be words that describe positive attributes such as trustworthy, honest, kind, generous, and reliable. A person who is respected, moral, decent or honorable could be considered the opposite of someone who is labeled as a "most sleazeball." It's important to recognize that the use of negative labels can be harmful and it's important to focus on positive qualities when describing others. It's worth remembering that antonyms are simply the opposite of a particular word, and it's up to us to choose positive and respectful language when describing others.