- Definitions|2
- Thesaurus|878
- Abbreviations|0
| cloak-and-dagger work | |
| cloaked(secret, unknown, hidden, concealed, underhanded) | |
| close-mouthed | |
| closed | |
| closed-door | |
| clouded(secret, unknown, hidden, underground, concealed) | |
| covered(secret, unknown, hidden, underground, concealed) | |
| crafty(adjective, dishonest, cunning, deceitful, sneaky) | |
| crooked(dishonest, cunning, deceitful, sneaky, underhanded) | |
| cunning(false, dishonest, deceitful, artful, deceptive) | |
| discreet(special, intimate, personal, underground, undisclosed) | |
| disguised(secret, unknown, hidden, concealed, underhanded) | |
| disorderly | |
| dissembled(secret, hidden, underground, undisclosed, underhanded) | |
| double-crossing(dishonest, cunning, deceitful, sneaky, underhanded) | |
| duplicitous(dishonest, cunning, deceitful, sneaky, underhanded) | |
| furtively(adverb, secretly, slyly, underhandedly, surreptitiously) | |
| guileful(false, dishonest, cunning, deceitful, artful) | |
| hidlings | |
| huggermugger(adjective, show, secret) |
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| APA | Smart Define. (2015). clandestine thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/clandestine/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "clandestine thesaurus" https://smartdefine.org/clandestine/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, clandestine thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/clandestine/thesaurus/synonyms>. |
| MLA | Smart Define. "clandestine thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/clandestine/thesaurus/synonyms> |