0 (of an idea or an opinion) formed too early, especially without enough thought or knowledge:
1 (of an idea or opinion) formed too early, esp. without enough consideration or knowledge:
Since I’m new, I have no preconceived notions about how it should be done.
Young people simply don't come along with a preconceived perfect set of rules; they need to learn and need to be taught.
He battles with preconceived notions he has unknowingly carried.
Both parties bring with them preconceived notions and prejudices about medication that are prevalent in either their profession or in society at large.
To single out motivation as the major cause of unwanted pregnancies reflects a preconceived notion, which runs counter to the goals of preventive medicine.
This could entail support for positions that appeared inconsistent to someone expecting linearity within a preconceived ideological framework.
The attempt to maintain power and achieve its central policy goals largely determined its usage of technology, not a preconceived world view.
The physiognomic portrait, in spite of its presentation as rational, consists in the "scientist's" projection of preconceived notions onto the subject.
Systematic reviews represent the conscious attempt to analyse all the available data without preconceived ideas.
