27 entries under plant topic. ×
| sleuth(noun, agent, spy, operative) | |
| snoop(noun, agent, spy, operative) | |
| spook(noun, agent, operative, informer) | |
| spotter(noun, watch, guard, agent) | |
| undercover agent(noun, expression, agent, operative) | |
| agent(noun, operative, informer, mole) | |
| infiltrator(noun, mole) |
For more, visit
Observer on
Power Thesaurus
| APA | Smart Define. (2016). observer thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/observer/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "observer thesaurus" https://smartdefine.org/observer/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, observer thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/observer/thesaurus/synonyms>. |
| MLA | Smart Define. "observer thesaurus" 26 February 2016. Web. 23 September 2026. <https://smartdefine.org/observer/thesaurus/synonyms> |