traitoress
/ˈtreɪtərɪs/
noun
- A woman who betrays her country, a group, or a person; a female traitor.
- The spy was revealed as a traitoress who had sold military secrets to the enemy.
- The historical account describes a traitoress who led enemy soldiers through a secret mountain pass.
- In the novel, the queen's closest advisor turned out to be a traitoress plotting against the crown.