Synonym: betrayer, blab, double, informer, rat, spy, tattler. Similar words: trait, portrait, straitened, wait on, wraith, editor, monitor, visitor. Meaning: ['treɪtə(r)] 
n. 1. someone who betrays his country by committing treason 2. a person who says one thing and does another.
n. 1. someone who betrays his country by committing treason 2. a person who says one thing and does another. 121. Mace denied this loudly , identifying Palpatine as the traitor.
More similar words: trait, portrait, straitened, wait on, wraith, editor, monitor, visitor, auditor, auditory, trail, train, competitor, territory, strain, inquisitor, repository, auditorium, by train, trailer, trainer, training, restrain, strained, constrain, constraint, straighten, unrestrained, constrainedly, straightforward.