preconception

Meanings

Plural: preconceptions

Noun

• an opinion formed beforehand without adequate evidence
  • "he did not even try to confirm his preconceptions"
• a partiality that prevents objective consideration of an issue or situation
• An opinion formed before obtaining adequate evidence, especially as the result of bias or prejudice.
• A prejudice that prevents rational consideration of an issue.

Adj

• Preconceptional.

Synonyms

bias, parti pris, preconceived idea, preconceived notion, preconceived opinion, prejudice, prepossession