i Register
In some senses, degender is marked as obsolete. Watch for register when choosing this word.
verb
To degenerate.
And if then thoſe may any vvorſe be red, / They into that ere long will be degendered.
verb
To strip of gender; to make genderless or gender-neutral.
It follows that a degendering strategy, an attempt to dismantle hegemonic masculinity, is unavoidable[…]
To refer to (someone) with terms that avoid mentioning their gender, such as calling a woman "they" or using "my partner" to refer to one's girlfriend.