14 entries under noun topic. ×
| snoop(verb, investigate) | |
| test(verb, investigate) | |
| analysis | |
| curiosity | |
| detective | |
| examination | |
| exploration | |
| feeler | |
| inquirer | |
| inquiry | |
| inquisitor | |
| review | |
| shakedown | |
| tail |
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| APA | Smart Define. (2016). spy thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/spy/thesaurus/related |
| Chicago | Smart Define. 2016. "spy thesaurus" https://smartdefine.org/spy/thesaurus/related (accessed September 30, 2026). |
| Harvard | Smart Define 2016, spy thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/spy/thesaurus/related>. |
| MLA | Smart Define. "spy thesaurus" 10 February 2016. Web. 30 September 2026. <https://smartdefine.org/spy/thesaurus/related> |