Misteria

Misteria is a gender identity to be used in place of a gender that one does not wish to share for any reason.

Etymology
While etymology was not explicitly stated at the time of coining, it is assumed that the term comes from the root word mystery, pertaining to the unknown status of the user's gender.

Pronunciation
To be added.

Definitions

 * an identity used by someone who doesn’t want to share their gender or doesnt want others to know it, regardless of what their gender identity may be - cinnamogai, 2021