An idea or opinion formed before having the evidence for its truth.

पूर्व धारणा

English Usage: She had a preconceived notion that the project would fail.

Hindi Usage: उसकी एक पूर्व धारणा थी कि परियोजना सफल नहीं होगी।

To form an opinion about something before knowing all the facts.

पूर्वानुमान करना

English Usage: It is easy to preconceive the outcome based on initial impressions.

Hindi Usage: प्रारंभिक छवि के आधार पर परिणाम का पूर्वानुमान करना आसान है।