Ally - Someone who supports the LGBTQIA+ community without being part of the community themself.
Andor - A gender neutral honorific derived from "mr and/or miss."
Androgyne - A gender which is a blend between the binary male and female gender. Often considered under the nonbinary umbrella.
Androgynous - Presenting either as a combination of male and female; or of an indeterminable gender or sex.
Androqueerphobia - A word used to discuss bigotry targeted at queer masculinity and queer manhood.
Aporagender - A gender wherein the one who posesses it knows that the gender is not defined by masculinity or femininity.
Archaeopronouns - Outdated pronouns which are no longer considered to be in standard use.
Aromatization - The process through which the body converts androgens into estrogen. Someone whose body has an aromatase deficiency is unable to do this properly.
Assigned Gender - The gender written down on your birth certificate.