1. preformed opinions or judgments made without adequate knowledge or examination of the facts
He has many prejudices against people from different cultures.
Ele tem muitos preconceitos contra pessoas de culturas diferentes.
2. unreasonable feelings, opinions, or attitudes held in advance of actual experience or knowledge
We must work to overcome our prejudices.
Devemos trabalhar para superar nossos preconceitos.
3. dislike, hostility, or unjust behavior toward a person or group based on their race, gender, religion, or other characteristics
Racial prejudices have plagued society for centuries.
Os preconceitos raciais têm afligido a sociedade há séculos.