Clean sweeps refer to a situation where a team or individual wins every competition or game in a series. The antonyms of clean sweeps are losses, defeats, and failures. These words are used to describe a situation where a team or individual comes up short, unable to achieve victory in any of the contests. While clean sweeps represent a perfect record, losses, defeats, and failures denote imperfection, disappointment, and possibly even shame. However, it is important to note that experiencing losses, defeats, or failures is a natural part of life, and they can be valuable learning experiences that ultimately lead to greater success.