Synonyms of traitor in English:

traitor


See definition of traitor

noun

1‘he was tried in a military court as a traitor’

SYNONYMS
betrayer, back-stabber, double-crosser, double-dealer, renegade, Judas, quisling, fifth columnist, viper
turncoat, defector, apostate, deserter
collaborator, fraternizer, colluder, informer, double agent
informal snake in the grass, two-timer, rat, scab
rare traditor, tergiversator, renegado
ANTONYMS

loyalist, patriot