| perpetrator | |
| celebrate | |
| explorer | |
| insidious | |
| keep track(verb, detect, scout, sleuth, espy) | |
| seeing as | |
| servile agent | |
| snoop(noun, verb, investigate) | |
| test(noun, verb, investigate) | |
| able | |
| acknowledge | |
| acute | |
| adroit | |
| advanced | |
| advanced guard | |
| adventure film | |
| advertisement | |
| airline | |
| amicus curiae | |
| analysis(noun, investigate) |
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Power Thesaurus
| APA | Smart Define. (2016). spy thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/spy/thesaurus/related |
| Chicago | Smart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/related (accessed September 24, 2026). |
| Harvard | Smart Define 2016, spy thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/spy/thesaurus/related>. |
| MLA | Smart Define. "spy thesaurus" 10 February 2016. Web. 24 September 2026. <https://smartdefine.org/spy/thesaurus/related> |