- Definitions|2
- Thesaurus|754
- Abbreviations|0
44 entries under hidden topic. ×
| intelligence(secret, spy, covert) | |
| obscured(secret, clandestine, underground, concealed) | |
| spy(secret, covert) | |
| unseen(secret, unknown, underground, concealed) |
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| APA | Smart Define. (2015). surreptitious thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2015, surreptitious thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>. |
| MLA | Smart Define. "surreptitious thesaurus" 13 April 2015. Web. 28 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms> |