The state of having no gender identity, regardless of physical sex.
Not nessacerily the same as an androgyne, but they both appear androgynous.
Genderless people may or may not pursue hormone replacement therapy and/or surgery. They usually want people to refer to them with gender neutral pronouns, instead of he or she.
Alexs' sex is male, but zie has no gender.
Bob: Are you a boy or a girl?
Alex: Neither, i'm genderless. Gender is for foooools! :D