Prejudicious and Preconceived idea

Prejudicious adjective - (sometimes followed by `to') causing harm or injury.

Preconceived idea and prejudicious are semantically related. In some cases you can use "Preconceived idea" instead a noun "Prejudicious".

Preconceived idea noun - An opinion formed beforehand without adequate evidence.

Prejudicious and preconceived idea are semantically related. Sometimes you can replace term "Prejudicious" with "Preconceived idea", this terms are similar.