- Definitions|2
- Thesaurus|279
- Abbreviations|0
31 entries under adjective topic. ×
| furtive(close, mysterious, reticent, taciturn) | |
| clandestine(underground, undisclosed) | |
| covert(mysterious, private, reticent, taciturn) | |
| surreptitious(clandestine, underground, undisclosed) | |
| undercover(mysterious, private, reticent, taciturn) | |
| secret(sensitive, clandestine, underground, undisclosed) | |
| stealthy(clandestine, underground, undisclosed) | |
| underground(clandestine, undisclosed) | |
| underhand(clandestine, underground, undisclosed) | |
| backstair | |
| sneaky(clandestine, underground, undisclosed) | |
| underhanded(clandestine, underground, undisclosed) | |
| hole-and-corner | |
| hugger-mugger | |
| secretive(mysterious, private, restricted, reticent) | |
| sly(clandestine, underground, undisclosed) | |
| skulking | |
| sneaking | |
| confidential(restricted, clandestine, underground, discreet) | |
| cryptic(close, mysterious, private, reticent) |
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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> |