- The definition of a preconception is a notion, opinion or idea that you have formed before going into something, sometimes based on bias or prejudice.
An example of a preconception is when you make up your mind in advance what someone is going to be like without knowing the person.
preconception definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
- the act of preconceiving
- a preconceived idea or opinion
Origin: Midieval Latin preconceptio
preconception definition by American Heritage Dictionary
An opinion or conception formed in advance of adequate knowledge or experience, especially a prejudice or bias.