Involving or directed at the other biological sex; heterosexual; not isosexual.
Sexual, experiencing sexual attraction; not asexual.
Directed toward or involving another person rather than (only) oneself.
LGB; queer; non-heterosexual.
One who experiences sexual attraction; one who is not asexual.
Heterosexual: of, pertaining to, or being a heterosexual person.
A heterosexual person.