When Brutus turned on his friend Julius Caesar, he became a famous example of a traitor.
Origin of traitorMiddle English traitour from Old French traitor from Classical Latin traditor, one who betrays from traditus, past participle of tradere, to hand over, betray: see treason
Origin of traitorMiddle English from Old French from Latin trāditor from trāditus past participle of trādere to betray ; see tradition .
- One who violates his allegiance and betrays his/her country; one guilty of treason; one who, in breach of trust, delivers his country to an enemy, or yields up any fort or place intrusted to his defense, or surrenders an army or body of troops to the enemy, unless when vanquished; also, one who takes arms and levies war against his country; or one who aids an enemy in conquering his country.
- Hence, one who betrays any confidence or trust.
(third-person singular simple present traitors, present participle traitoring, simple past and past participle traitored)
- To act the traitor toward; to betray; to deceive.