Unpreparedness, unwillingness, or inability to believe that something is the case.
Astonishment.
The loss or abandonment of a belief; cessation of belief.
A preconception, any preconceived opinion or feeling, whether positive or negative.
An adverse judgment or opinion formed beforehand or without knowledge of the facts.
An irrational hostile attitude, fear or hatred towards a particular group, race or religion.
To have a negative impact on (someone's position, chances etc.).
To cause prejudice in; to bias the mind of.