preconception /ˌpɹiːkənˈsɛpʃən/noun 2adjective 1forms 1 noun2 •An opinion formed before obtaining adequate evidence, especially as the result of bias or prejudice.He told RAIL: "We had no preconceptions, but you would assume a newer train to have better air quality than an older one. We found that was not necessarily the case. — 2021 •A prejudice that prevents rational consideration of an issue. adjective1 •Preconceptional. formspreconceptions
