preconception
1. [ noun ] an opinion formed beforehand without adequate evidence
Synonyms: preconceived_notion parti_pris preconceived_idea preconceived_opinion prepossession
Examples:

"he did not even try to confirm his preconceptions"

Related terms: opinion prejudice prejudice
2. [ noun ] a partiality that prevents objective consideration of an issue or situation
Synonyms: prejudice bias
Related terms: partiality homophobia irrational_hostility taboo racism experimenter_bias islamophobia tendentiousness prejudice bias
Similar spelling:   precondition
  preconditioned
  preconceive
  priscoan_eon
  proconvertin
  preconcerted
  preconceived
  prison_camp