Discrimination against non-heterosexual people on the basis of their sexual orientation.
The state or existence of heterosexuality, including the traditional gender roles that accompany it.
Synonym of heterosexuality
An irrational hostile attitude, fear or hatred towards a particular group, race or religion.
An adverse judgment or opinion formed beforehand or without knowledge of the facts.
A preconception, any preconceived opinion or feeling, whether positive or negative.
To have a negative impact on (someone's position, chances etc.).
To cause prejudice in; to bias the mind of.