Denial-gender, or genderfear is an umbrella term for various genders associated with doubt, anxiety, or simply just the fact that they are in denial of their real gender. Examples would be denialgirl, denialboy, denial-nonbinary, denial-bigender, denial-agender, denial-xenogender, etc.
Denial-gender is whereas someone is scared or afraid of identifying as a certain gender, whether it be dysphoria, judgement from others, insecurity, or anything else that's keeping them from being that gender that they truly feel like. This gender is supposed to make those who feel scared of being themself somewhat comfortable in their identity. A simple explanation would be someone who truly feels like a transgender woman, but they cannot express that due to the extremely judgemental environment they live in, and the fact that they, themself, have internalized transphobia. So the term that would best describe them would be "denial-girl."
Denial-gender heavily relates to Xumgender, Perigender, Paradoxigender, and even Expecgender depending on the person.
This gender is made specifically for individuals with anxiety disorders, not necessarily neurodivergent individuals as a whole, but anyone no matter their mental stability can use this term.