Heterosexual
[noun] a person who is sexually attracted to persons of the opposite sex.
[adjective] of, relating to, or having a sexual attraction to persons of the opposite sex; straight.
Ex: Because they are heterosexuals, all fifty states recognize Tammy and Bob’s legal right to marry.
Ex: Sarah’s grandfather automatically assumed she was heterosexual since she brought a male friend to Thanksgiving dinner.
Read more power words