- Definitions|2
- Thesaurus|754
- Abbreviations|0
| trickish | |
| trumped up(verb, phrasal verb, deception, untruth) | |
| under-the-counter | |
| unexposed | |
| unobtrusive | |
| untrue(deception, untruth) | |
| waiting concealed | |
| two faced | |
| uncommunicative | |
| abstruse(secret, unknown, hidden, underground, concealed) | |
| adulterer | |
| awry | |
| backdoor(clandestine, underground, undisclosed) | |
| bastard | |
| ben trovato(expression, idiom, untruth) | |
| buried(secret, unknown, hidden, concealed, underhanded) | |
| buttoned up(verb, phrasal verb, concealment) | |
| camouflaged(secret, hidden, clandestine, underground, undisclosed) | |
| case | |
| circumlocutionary |
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| APA | Smart Define. (2015). surreptitious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, surreptitious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>. |
| MLA | Smart Define. "surreptitious thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms> |