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bisexuality

American  
[bahy-sek-shoo-al-i-tee, -seks-yoo-] / ˌbaɪ sɛk ʃuˈæl ɪ ti, -sɛks yu- /

noun

  1. 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.

  2. 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.

  3. Biology.

    1. (of a species) having two distinct sexes.

      In these plants, bisexuality recently evolved from an ancestral unisexual condition.

    2. having both male and female sexual organs present in one individual.

      Bisexuality occurs in about 50% of the red sea bream's juvenile population.


bisexuality Cultural  
  1. Sexual activity with, or sexual attraction to, members of both sexes.


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.

Herron was the director and executive producer on Marvel Studios series “Loki” when the eponymous god of mischief confirmed his bisexuality during a conversation with Sylvie.

From Los Angeles Times • May 4, 2025

Her education is gone, her bisexuality erased, and her unhinged, pyrotechnic personality and actions have disappeared.

From Salon • Oct. 12, 2024

Mead’s bisexuality had already nearly destroyed her career once before.

From Slate • Feb. 10, 2024

Wedow, who is gay, fears that “weak findings like this will be used to create a narrative about bisexuality and evolution that is not true.”

From Science Magazine • Jan. 2, 2024

In some animals, such as some worms, there is a bisexuality of the individual.

From The Glands Regulating Personality by Berman, Louis, M.D.

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