There are a number of synonyms for the term "sexual characteristic." One such phrase is "secondary sex characteristic," which refers to physical traits that develop during sexual maturity and help distinguish males from females. Other synonyms include "sex characteristic," "gender trait," "sexual trait," and "sexual feature." These terms are often used in discussions of gender identity and sexual orientation, as they help describe the physical characteristics that differentiate individuals based on sex. While some may view these terms as limiting, they are an important part of scientific and medical language that can help us understand the complex interplay between biology, identity, and sexuality.