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.

Nov 23, 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.

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

A "traitor" is generally understood as a person who betrays a trust or a set of principles, especially in a political, military, or personal context. The word denotes an individual who acts against …

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

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