This article is from the BiSexuality FAQ, by Jon Harley firstname.lastname@example.org with numerous contributions by others.
Monosexual is a term which can be used to describe any person whose long-term
sexual orientation and history indicates an attraction to only one sex; a
homosexual or heterosexual, a Kinsey 6 or 0 (see section A19).
You should be aware that many individuals object to a term which they feel
denegrates or reduces non-bisexual sexualities. On the other hand, others feel
that in a discussion where the focus is bisexuality, "monosexual" is useful as
a clinical term. Moreover, the concept of a commonality between exclusively
heterosexual and exclusively homosexual attraction, as opposed to bisexual
attractions, has been useful to some people in the process of coming to terms
with their bisexuality - and the word monosexuality embodies that concept.
As long as it is remembered that gays and lesbians do not fit into this same
coming-out-as-bi process, and that there should be no implied sense of
inferiority in the term monosexual, then the word can be considered useful.
The point to remember is that just as we, as bisexuals, do not want people to
talk down to us, we should not talk down to non-bisexuals. Everyone should be
allowed the dignity of owning their own identity and sexuality. Don't persist
in calling people by names which they find offensive. Don't offer sweeping
generalisations about homosexuals or heterosexuals; and don't base your pride
in who and what you are, on the fact that you're "NOT, thank God, someone or