| quisling(noun, person, partner, colleague) | |
| traitor(noun, turncoat, betrayer, deserter) | |
| conspirator(noun, associate, assistant, accessory) | |
| deserter(turncoat, conspirator) | |
| defector(noun, turncoat, conspirator) | |
| apostate(turncoat, conspirator) | |
| backslider(turncoat, conspirator) | |
| renegade(turncoat, conspirator) | |
| turncoat(noun, traitor, conspirator) | |
| betrayer(turncoat, traitor, conspirator, plotter) | |
| Benedict Arnold(expression, turncoat, conspirator) | |
| Judas(turncoat, conspirator) | |
| back-stabber(turncoat, conspirator) | |
| deceiver(turncoat, conspirator) | |
| double-crosser(turncoat, conspirator) | |
| double agent(noun, expression, turncoat, traitor) | |
| fink(turncoat, conspirator) | |
| hypocrite(turncoat, conspirator) | |
| impostor(turncoat, conspirator) | |
| informer(turncoat, conspirator) |
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| APA | Smart Define. (2015). collaborator thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/collaborator/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "collaborator thesaurus" https://smartdefine.org/collaborator/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, collaborator thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/collaborator/thesaurus/synonyms>. |
| MLA | Smart Define. "collaborator thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/collaborator/thesaurus/synonyms> |