preconceivedadjective
uk/ˌpriː.kənˈsiːvd/us/ˌpriː.kənˈsiːvd/(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.
Thesaurus: synonyms and related words
Not showing careful thought
- airy
- cuff
- flip
- flippant
- frivolity
- frivolous
- ill-conceived
- incautious
- lightweight
- off the cuff idiom
- pat
- shallow
- shoot
- shoot from the hip idiom
- skin-deep
- superficial
- thoughtless
- unconsidered
- unthinking
- wild