Absence of belief in a particular deity, pantheon, or religious doctrine (notwithstanding belief in other deities).
Absence of belief that any deities exist (including absence of the concept of deities).
Rejection of belief that any deities exist (with or without a belief that no deities exist).
Belief that no deities exist (sometimes including rejection of other religious beliefs).
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.