Syndegender is a gender for when one knows they're a certain gender, but one has a deep connection to another gender. For example, being a boy, but feeling strongly associated with femininity.
History
Syndegender was coined on January 2, 2018 by tumblr user love-all-around1223.
Flags
The syndegender flags were coined on January 2, 2018 by tumblr user love-all-around1223.
Etymology
The name comes from the Greek word “sýndesi,” meaning connection.