Prej·u·dice, v. t. [imp. & p. p. Prejudiced p. pr. & vb. n. Prejudicing ]
1. To cause to have prejudice; to prepossess with opinions formed without due knowledge or examination; to bias the mind of, by hasty and incorrect notions; to give an unreasonable bent to, as to one side or the other of a cause; as, to prejudice a critic or a juryman.
Suffer not any beloved study to prejudice your mind so far as to despise all other learning. --I. Watts
2. To obstruct or injure by prejudices, or by previous bias of the mind; hence, generally, to hurt; to damage; to injure; to impair; as, to prejudice a good cause.
Seek how may prejudice the foe. --Shak
adj 1: emanating from a person's emotions and prejudices
2: being biased or having a belief or attitude formed
beforehand; "a prejudiced judge" [syn: discriminatory]