Heterosexual

Adjective

 * 1) Sexually attracted to members of the opposite sex

Noun

 * 1) A heterosexual organism, especially a human.

Antonyms

 * homosexual

Thesaurus
amorous, carnal, erogenic, erogenous, erotic, erotogenic, fleshly, gamic, libidinal, nuptial, oversexed, potent, procreative, sensual, sex, sexed, sexlike, sexual, sexy, straight, undersexed, venereal, voluptuous