- Definitions|2
- Thesaurus|279
- Abbreviations|0
| QT(unknowing, hermetical, unbriefed) | |
| abstruse(clandestine, underground, undisclosed) | |
| ambiguous(clandestine, underground, undisclosed) | |
| apprenticed(unknowing, hermetical, unbriefed) | |
| arrangement | |
| backstage(unknowing, hermetical, unbriefed) | |
| behind the curtain(expression, idiom, unknowing, hermetical, unbriefed) | |
| behind the scenes(expression, idiom, unknowing, hermetical, unbriefed) | |
| birdbrained(unknowing, hermetical, unbriefed) | |
| blind to(expression, unknowing, hermetical, unbriefed) | |
| cabal | |
| caught napping(expression, unknowing, hermetical, unbriefed) | |
| cautious(mysterious, private, reticent) | |
| chart | |
| cloak-and-dagger(clandestine, underground, undisclosed) | |
| cloak and dagger(expression, idiom, restricted, discreet) | |
| clouded(clandestine, underground, undisclosed) | |
| conspiracy | |
| conspiratorial(clandestine, underground, undisclosed) | |
| contrivance |
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| APA | Smart Define. (2015). backstairs thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/backstairs/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "backstairs thesaurus" https://smartdefine.org/backstairs/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, backstairs thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/backstairs/thesaurus/synonyms>. |
| MLA | Smart Define. "backstairs thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/backstairs/thesaurus/synonyms> |