The meaning of TRAITOR is one who betrays another's trust or is false to an obligation or duty. How to use traitor in a sentence.

TRAITOR definition: 1. a person who is not loyal or stops being loyal to their own country, social class, beliefs…. Learn more.

TRAITOR definition: a person who betrays another person, a cause, or any trust. See examples of traitor used in a sentence.

If you call someone a traitor, you mean that they have betrayed beliefs that they used to hold, or that their friends hold, by their words or actions.

Define traitor. traitor synonyms, traitor pronunciation, traitor translation, English dictionary definition of traitor. n. One who betrays one's country, a cause, or a trust, especially one who …

traitor (to somebody/something) a person who betrays their friends, their country, etc. by giving away secrets about them, by lying to or about them or by doing other things that will harm them

Dec 14, 2025 · traitor (third-person singular simple present traitors, present participle traitoring, simple past and past participle traitored) To act the traitor toward; to betray; to deceive.

traitor, n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

• Nobody's suggesting he is a traitor, he's one of our very best men. • His father suffered even more when the revolutionaries decided that he was a traitor and plundered his estate worth ten …

TRAITOR meaning: a person who is not loyal to his or her own country, friends, etc. a person who betrays a country or group of people by helping or supporting an enemy