sexually, romantically, or emotionally attracted by more than one gender (of a species or organism) comprising individuals of two distinct sexes involving or relating to male and female sexes
a bisexual person a bisexual organism; a hermaphrodite
WordReference Random House Learner's Dictionary of American English © 2025
bi•sex•u•al /baɪˈsɛkʃuəl/USA pronunciation
adj.
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2025- Developmental Biology
- of both sexes.
- combining male and female organs in one individual; hermaphroditic.
- Medicinesexually responsive to and interested in both males and females.
n. [countable]
- Developmental Biologyan animal or plant that has the reproductive organs of both sexes.
- Medicinea person sexually responsive to both males and females.
bi•sex•u•al
(bī sek′sho̅o̅ əl),USA pronunciation adj.
n.
bi′sex•u•al′i•ty, bi•sex′u•al•ism n.
bi•sex′u•al•ly, adv.
- Developmental Biology[Biol.]
- of both sexes.
- combining male and female organs in one individual;
hermaphroditic.
- Medicinesexually responsive to both sexes;
ambisexual.
n.
- Developmental Biology[Biol.]an animal or plant that has the reproductive organs of both sexes.
- Medicinea person sexually responsive to both sexes;
ambisexual.
- bi-1 + sexual 1815–25
bi•sex′u•al•ly, adv.
Collins Concise English Dictionary © HarperCollins Publishers::
'bisexual' also found in these entries (note: many are not synonyms or translations):
AC/DC
- GLB
- LGB
- LGBT
- ambidextrous
- ambisextrous
- ambisexual
- bi
- bignonia
- female
- hasbian
- male