bisexuality
Americannoun
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sexual desire or behavior directed toward people of more than one gender, sometimes understood to include attraction to one's own sex or gender and at least one other sex or gender.
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the state of being sexually attracted to people of more than one gender, sometimes understood to include attraction to one's own sex or gender and at least one other sex or gender.
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Biology.
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(of a species) having two distinct sexes.
In these plants, bisexuality recently evolved from an ancestral unisexual condition.
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having both male and female sexual organs present in one individual.
Bisexuality occurs in about 50% of the red sea bream's juvenile population.
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Usage
Does bisexuality involve attraction to only two genders? See bisexual.
Etymology
Origin of bisexuality
First recorded in 1840–50 bisexuality for def. 3, and in 1890–95 bisexuality for defs. 1, 2; bi- 1 ( def. ) + sexuality ( def. ); from German Bisexualität bisexuality for defs. 1, 2
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.
This is a distinctly new aura for bisexuality, which for decades some sex researchers and laypeople insisted didn’t exist.
From The Wall Street Journal ● Jun. 14, 2026
This is the first visual confirmation of Peacemaker’s bisexuality, which Gunn has confirmed, crediting Cena for inspiring that character profile addition.
From Salon ● Aug. 28, 2025
From books about bisexuality, to Polaroid pictures of Nick and Charlie together, they’ve gone to painstaking lengths to make the bedroom a true reflection of the character's journey throughout the series.
From BBC ● Oct. 1, 2024
For fans, that might have seemed like big news, but the truth was her bisexuality was something she’d known about herself for a while.
From Los Angeles Times ● Jun. 4, 2024
In 1893, in his L'Inversion Sexuelle, Chevalier, a pupil of Lacassagne—who had already applied the term "hermaphrodisme moral" to this anomaly—explained congenital homosexuality by the idea of latent bisexuality.
From Studies in the Psychology of Sex, Volume 2 Sexual Inversion by Havelock Ellis
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.
