Person who identifies with two gender identities. These can be binary (male / female), non-binary, or one binary and the other non-binary. Gender identity can be either stable and the person may feel to belong to two genders at the same time, or fluid and the person may feel, for example, sometimes female and sometimes male.

Adjective used to state the existence of two genders: male / female.

See "sex".

Adjective used to refer to a person who is emotionally and / or sexually attracted to people of both genders.