preconceived
US /ˌpriː.kənˈsiːvd/
UK /ˌpriː.kənˈsiːvd/
1.
định trước
(of an idea or an opinion) formed too early, especially without enough thought or knowledge:
:
•
You must judge each film on its own merits, without any preconceived notions about what it's like.