- Definitions|2
- Thesaurus|754
- Abbreviations|0
93 entries under adjective topic. ×
| shifty(mean, smooth, dishonest, cunning) | |
| sidelong | |
| slinking(secret, sneaky, covert, secretive) | |
| slippery(dishonest, cunning, deceitful, sly) | |
| supposititious(deception, untruth) | |
| treacherous(mean, smooth, dishonest, cunning) | |
| ulterior | |
| wily(mean, smooth, dishonest, cunning) | |
| closet(noun, secret, clandestine, underground) | |
| conspiratorial(clandestine, underground, undisclosed, sneaky) | |
| deceptive(mean, smooth, dishonest, cunning) | |
| disorderly | |
| fictitious | |
| mysterious(quiet, secret, unknown, hidden) | |
| mystical(secret, unknown, hidden, underground) | |
| on the sly(expression, idiom, secret, sneaky) | |
| spurious | |
| sub-rosa(dishonest, cunning, secret, clandestine) | |
| unavowed | |
| under wraps(expression, dishonest, secret, hidden) |
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| APA | Smart Define. (2015). surreptitious thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/surreptitious/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "surreptitious thesaurus" https://smartdefine.org/surreptitious/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, surreptitious thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/surreptitious/thesaurus/synonyms>. |
| MLA | Smart Define. "surreptitious thesaurus" 13 April 2015. Web. 29 September 2026. <https://smartdefine.org/surreptitious/thesaurus/synonyms> |