- Definitions|1
- Thesaurus|62
- Abbreviations|0
| fink(noun, source, spy, sneak, informer) | |
| snitch(noun, source, spy, grass, sneak) | |
| betrayer(source, spy, grass, sneak, informer) | |
| informer(source, spy, grass, sneak, rascal) | |
| snitcher(source, spy, grass, sneak, informer) | |
| squealer(source, spy, grass, sneak, informer) | |
| stool pigeon(noun, expression, source, spy, informer) | |
| tattletale(source, spy, sneak, informer, rat) | |
| whistle blower | |
| whistleblower | |
| spy(grass, decoy, informer, turncoat, conspirator) | |
| stoolie | |
| talebearer | |
| tattler | |
| telltale | |
| Benedict Arnold(expression, spy, impostor, renegade, turncoat) | |
| Judas(spy, impostor, renegade, turncoat, hypocrite) | |
| apostate(spy, impostor, renegade, turncoat, hypocrite) | |
| back-stabber(spy, impostor, renegade, turncoat, hypocrite) | |
| backslider(spy, impostor, renegade, turncoat, hypocrite) |
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| APA | Smart Define. (2015). whistle-blower thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/whistle-blower/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "whistle-blower thesaurus" https://smartdefine.org/whistle-blower/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, whistle-blower thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/whistle-blower/thesaurus/synonyms>. |
| MLA | Smart Define. "whistle-blower thesaurus" 13 April 2015. Web. 21 September 2026. <https://smartdefine.org/whistle-blower/thesaurus/synonyms> |