an adjective for someone whose gender corresponds to their assigned sex
I am perfectly comfortable identifying as the gender my parents put on my birth certificate. I am cisgender.
an adjective for someone whose gender does not correspond, or does not fully correspond, to their assigned sex.
Laverne Cox is transgender.
one’s internal sense of self in relation to the social constructs of masculinity, femininity and androgyny
Sam is a boy. That is his gender.