B2 an unfair and unreasonable opinion or feeling, especially when formed without enough thought or knowledge: Laws against racial prejudice must be strictly enforced. [+ that] The campaign aims to dispel the prejudice that AIDS is confined to the homosexual community. He claims that prejudice against homosexuals would cease overnight if all the gay stars in the country were honest about their sexuality.Unfairness and favouring someone unfairlyJustice and fairness without prejudice to sth formal or legal › If a decision or action is made without prejudice to a right or claim, it is made without having an effect on that right or claim: My client accepts the formal apology without prejudice to any further legal action she may decide to take.Irrelevant