preconceived notion

• Opinion ou idée formée à l'avance, avant d'avoir des connaissances factuelles ou de l'expérience, souvent fondée sur un préjugé ou une information incomplète.

An opinion or idea formed in advance of actual knowledge or experience, often based on bias or incomplete information.

1. Prejudgment or biasB2formal

   An opinion or idea formed before having enough knowledge or experience.

   Idée préconçue

   • She had a preconceived notion that the city was dangerous, but she found it safe.
   • His preconceived notion about the subject prevented him from learning new facts.
   • The judge warned the jury to avoid preconceived notions about the defendant.