Midbinary or Endobinary refers to any non-binary gender or experiences that associated with one or both binary genders. It includes any genders that involve masculinity and/or femininity, or are similar to or related to male or female yet aren't completely male or female. These genders exist within the context of the gender binary but are not strictly one or the other. It can be considered the opposite of abinary.
Examples of midbinary genders include: androgyne, demiboy/demigirl, boyflux/girlflux, etc.