Biphobia
a range of negative attitudes (e.g., fear, anger, intolerance, invisibility, resentment, erasure, or discomfort) that one may have or express towards bisexual individuals. Biphobia can come from and be seen within the LGBTQ community as well as straight society. Biphobic - adj. : a word used to describe an individual who harbors some elements of this range of negative attitudes towards bisexual people.