nonbinary
Americanadjective
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not consisting of, indicating, or involving two.
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Mathematics. noting or relating to a system of numerical notation that does not have a base of 2.
The decimal system is nonbinary.
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noting or relating to a gender identity that does not fit into the binary male/female division. NB
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relating to, intended for, or common to any gender; gender-neutral; gender-inclusive: The designer is known for nonbinary fashion.
The website had lists of nonbinary pronouns and honorifics.
The designer is known for nonbinary fashion.
Etymology
Origin of nonbinary
First recorded in 1940–45; non- ( def. ) + binary ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Cookie Glatzel, who identifies as nonbinary, kept their last name after marrying their wife.
From The Wall Street Journal ● Aug. 12, 2026
Williamson, who is nonbinary and identifies under the trans umbrella, said it is “already very scary being openly queer in Perris,” where the Harry Potter experience is hosted.
From Los Angeles Times ● Jul. 29, 2026
The performance will touch on the comedian’s experience moving to Ireland, the challenges of cultural differences and her relationship with her nonbinary child, all filtered through her characteristic humor.
From The Wall Street Journal ● Jul. 19, 2026
The decision is a “serious loss” for girls in states with bans, but it’s also not the end, added Sasha Buchert, director of nonbinary and transgender rights at Lambda Legal, who also represented the respondents.
From Salon ● Jul. 5, 2026
The Showtime drama Billions introduces Taylor, television’s first nonbinary character.
From "The 57 Bus" by Dashka Slater
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.