Pronunciation: /ˈtreɪ.tər/
noun a person who betrays someone or something, such as a friend, cause, or principle
A1 The traitor betrayed his friends.
A2 The villagers suspected the traitor among them.
B1 The spy was revealed as a traitor to his country.
B2 The traitor's actions led to the downfall of the government.
C1 The traitor's treachery was uncovered during the investigation.
C2 The traitor was sentenced to life in prison for his crimes against the state.
formal The spy was identified as a traitor and was immediately arrested.
informal I can't believe he turned out to be a traitor after all these years.
slang Don't trust him, he's a total traitor.
figurative Betraying your friends is the ultimate act of being a traitor.
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