- The definition of a heterosexual is someone who is sexually attracted to a person of the opposite sex.
An example of a heterosexual is a boy who likes girls or a girl who likes boys.
- of or characterized by sexual desire for those of the opposite sex
- Biol. of different sexes
- heterosexuality noun
Used by arrangement with John Wiley & Sons, Inc.
- Sexually oriented to persons of the opposite sex.
- Of or relating to different sexes.
- hetˌer·o·sexˈu·al·ly adverb
heterosexual - Medical Definition