2
blab(sneak, informant, squealer)
2
blabbermouth(noun, source, grass, sneak, informer)
2
cheater
2
criminal(noun, opposition, agent, villain, rebel)
2
defiler(noun, opposition, agent, villain, rebel)
2
desperado
2
informant(noun, source, grass, sneak, informer)
2
intriguer(spy, turncoat, conspirator)
2
rapist(noun, attacker)
2
ratfink(sneak, informant, squealer)
2
rebel(noun, opposition, agent, villain, spy)
2
saboteur(noun, opposition, agent, villain, rebel)
2
talebearer
2
tattler(source, grass, sneak, decoy, informer)
2
tipster(source, grass, sneak, decoy, informer)
2
traducer(noun, opposition, agent, villain, rebel)
2
treasonist(spy, turncoat, conspirator)
2
trimmer
1
adversary(noun, opposition, agent, rebel, criminal)
1
adviser(source, sneak, informant, squealer)
11 years ago|6.7k views|share |citing 
APASmart Define. (2015). betrayer thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/betrayer/thesaurus/synonyms
ChicagoSmart Define. 2015. "betrayer thesaurus" https://smartdefine.org/betrayer/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, betrayer thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/betrayer/thesaurus/synonyms>.
MLASmart Define. "betrayer thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/betrayer/thesaurus/synonyms>