1. monoheterosexual - Noun
2. monoheterosexual - Adjective
monoheterosexual (comparative more monoheterosexual, superlative most monoheterosexual)
(of a person or animal) Sexually attracted only to other members of the opposite sex. Being either a male gynephile or a female androphile. (Always used in the sense of heterosexual not being bisexual.)
monoheterosexual (plural monoheterosexuals)
A person who is attracted solely to others of the opposite sex.