Table 1: Definitions [17].

Gender nonconforming: adjective to describe individuals whose gender identity role or expression differs from what is normative for their assigned gender in a given culture or historical period.
Gender dysphoria: distress that is caused by a discrepancy between a person’s gender identity and that person’s sex assigned at birth, and the gender role and/or primary and secondary sex characteristics.
Transgender: adjective to describe a diverse group of individuals who cross or transcend culturally defined categories of gender. The gender identity of transgender people differs to varying degrees from the sex they were assigned at birth.
Transsexual: adjective to describe individuals who seek to change or have changed their primary and/or secondary sex characteristics through feminizing or masculinizing medical intervention (hormones and/or surgery), typically accompanied by a permanent change in gender role. Some persons think this term is not ideal since it is objectifying people.