fear/dislike of heterosexuals.
Heterophobia is the fear of the opposite sex.
heterophobia An abnormal fear of the opposite sex, considered sometimes by some psychoanalysts to be a partial explanation for homosexual behavior.heterophobia, heterophobe, heterophobiac An abnormal or irrational fear of doing something differently or of not being able to do things in the usual way or manner. It does not mean a hatred or fear of heterosexuals or their cultures!