/ˌnɑːnˈbaɪ.nɚ.i/
Not relating to, composed of, or involving just two things.

or non-binary : relating to or being a person who identifies with or expresses a gender identity that is neither entirely male nor entirely female

non-binary people

… an effort to create more equality for nonbinary and transgender students across campus.—Phoebe Roe

… many people with nonbinary genders use “they” and “their” pronouns …—Lucy Brisbane

… the normalization of sharing pronouns emphasizes the fact that everyone has preferred pronouns, not just trans and non-binary folks.—Christina M. Xiao