Polymorphous perversity is a complex term that describes a wide range of sexual behaviors and desires. Some synonyms for this term include sexual fluidity, erotic variability, sexual diversity, and hedonistic variety. These words convey a sense of sexual exploration and experimentation that is not limited to traditional gender roles or sexual orientations. Other words that could be used as synonyms for polymorphous perversity include sexual openness, sexual liberation, and sexual autonomy. All of these terms celebrate the diversity of human sexuality and reject rigid societal norms that limit people's sexual appetites and desires. Overall, the concept of polymorphous perversity recognizes the inherent complexity and richness of human sexuality.