1 definition by ellisten

Someone who is neither/not wholly of the binary genders; perhaps somewhere in the middle, entirely outside, partly one or the other, both simulataneously, fluctuating, etc.

These all have proper names but non-binary is an umbrella term for these things.
"The two binary genders are boy and girl, NOT male and female because those are sexes, so non-binary people are not wholly one gender of the other."
by ellisten April 28, 2016
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