preconceived
Preconceived (adjective) means Formed as an opinion or idea before having real evidence or experience. Example: “She tried to visit the city without any preconceived ideas about what it would be like.”
How to use preconceived
Learner’s notesIn plain EnglishAn assumption or belief made in advance, before actually seeing or knowing the facts.
Fill the gap
Can you complete this real example?
She tried to visit the city without any _____ ideas about what it would be like.