prejudice

²prejudice verb

prejudices; prejudiced; prejudic·ing

[+ obj] 1 : to cause (someone) to have an unfair feeling of dislike for someone or something
▪ The incident prejudiced [=biased] consumers against the company.

2 formal : to have a harmful effect on (something, such as a legal case)
▪ The defense claims that the media coverage prejudiced the trial. [=damaged the trial so that the result of the trial is not valid]