Webster's Revised Unabridged Dictionary · 1913

Prejudice

Prejudice , noun

[French préjudice, Latin praejudicium; prae before + judicium judgment. See Prejudicate, Judicial.]

1.
Foresight. [Obsolete]
Naught might hinder his quick prejudize. — Spenser
2.
An opinion or judgment formed without due examination; prejudgment; a leaning toward one side of a question from other considerations than those belonging to it; an unreasonable predilection for, or objection against, anything; especially, an opinion or leaning adverse to anything, without just grounds, or before sufficient knowledge.
Though often misled by prejudice and passion, he was emphatically an honest man. — Macaulay
3.
(Law) A bias on the part of judge, juror, or witness which interferes with fairness of judgment.
4.
Mischief; hurt; damage; injury; detriment. — Locke
England and France might, through their amity, Breed him some prejudice. — Shakespeare

Prejudice , transitive verb

[Compare French préjudicier. See Prejudice, n.]

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. — Shakespeare