variants or gender fluid or less commonly genderfluid
: of, relating to, or being a person whose gender identity is not fixed
Gender-fluid individuals prefer to remain flexible about their gender(s). Some dress in ways that reflect both genders at the same time, while others may express one gender one day and another gender another day. Kristin Cronn-Mills
The scene also reveals Stella as gender fluid—someone who identifies as both boy and girl, sometimes skewing more heavily toward one gender than the other. Mackenzie Dawson
Some genderfluid folks and drag artists use … "he," "she," or "they" based on how they're presenting. Delilah Friedler
gender fluiditynoun
Gender fluidity is the ability to freely and knowingly become one or many of a limitless number of genders, for any length of time, at any rate of change. Gender fluidity recognizes no borders or rules of gender. Kate Bornstein