- Definitions|2
- Thesaurus|257
- Abbreviations|0
| plant(noun, agent, operative, informer, mole) | |
| police detective | |
| police officer(noun, expression, agent, spy, informer) | |
| prosecutor(agent, spy, hound, informer, reporter) | |
| pry(noun, verb, examine, case, discover) | |
| quest(verb, pursue) | |
| rat | |
| recon(verb, examine, case, discover, watch) | |
| reconnoiter(verb, examine, case, discover, watch) | |
| reporter(agent, spy, informer, gumshoe, investigator) | |
| revenuer | |
| reviewer | |
| roper(agent, spy, informer, reporter, gumshoe) | |
| saluki | |
| scrutinize(verb, examine, discover, watch, pry) | |
| secret agent(noun, expression, plant, agent, operative) | |
| secret service(noun, expression, plant, agent, operative) | |
| secretly follow(verb, expression, examine, case, discover) | |
| seek(verb, pursue) | |
| sense |
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| APA | Smart Define. (2015). sleuth thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/sleuth/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sleuth thesaurus" https://smartdefine.org/sleuth/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, sleuth thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/sleuth/thesaurus/synonyms>. |
| MLA | Smart Define. "sleuth thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/sleuth/thesaurus/synonyms> |