45 entries under noun topic. ×
| spy(grass, sneak, decoy, informer) | |
| snake(person, behavior, rotten, bug) | |
| talebearer(feature, person, behavior) | |
| informant(law, person, knowledge, source) | |
| tattler(law, person, knowledge, source) | |
| cain(person, behavior, traitor, betrayer) | |
| runagate(feature, person, approach, behavior) | |
| bounder(sly, creep, rake, rogue) | |
| creep(villain, crook, sly, rake) | |
| rogue(feature, person, behavior) | |
| scoundrel(immoral, rotten, dog, sly) | |
| serpent(person, behavior, traitor, betrayer) | |
| Judas(person, trust, traitor) | |
| sneak(report, expose, immoral, source) | |
| mouse(animal, creature, fauna, being) | |
| rascal(immoral, crook, sly, creep) | |
| canary(source, gossip, grass, sneak) | |
| mice(bug, insect, pest, rodent) | |
| louse(person, immoral, sly, creep) | |
| tattletale(law, person, knowledge, source) |
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| APA | Smart Define. (2015). rat thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/rat/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "rat thesaurus" https://smartdefine.org/rat/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, rat thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/rat/thesaurus/synonyms>. |
| MLA | Smart Define. "rat thesaurus" 21 April 2015. Web. 27 September 2026. <https://smartdefine.org/rat/thesaurus/synonyms> |