Nibter is a term for a nonbinary sibling.

Sibling refers to someone born of the same parents, whereas, nibter refers to someone born of the same parents who is nonbinary, genderqueer, or agender.

Male sibling: Brother
Female sibling: Sister
Nonbinary sibling: Nibter
Synonym: sibling
Antonyms: sister, brother
My brother ate my cookie, my sister drank my milk, & my nibter stole my tea.

I have one nibter & two sisters.

My nibter is so sweet; they gave me half of their brownie.
by DomIsThatOneFriend May 27, 2020
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