56 entries under undisclosed topic. ×
| classified(obscure, unknown, clandestine, underground) | |
| cloak-and-dagger(obscure, unknown, clandestine, underground) | |
| close(obscure, unknown, clandestine, underground) | |
| closet(obscure, unknown, clandestine, underground) | |
| confidential(clandestine, underground) | |
| conspiratorial(obscure, unknown, clandestine, underground) | |
| covered(obscure, unknown, clandestine, underground) | |
| disguised(obscure, unknown, clandestine, underground) | |
| dissembled(clandestine, underground) | |
| dissimulated(clandestine, underground) | |
| furtive(obscure, unknown, clandestine, underground) | |
| in ambush(expression, clandestine, underground) | |
| incognito(clandestine, underground) | |
| inside(clandestine, underground) | |
| private(obscure, unknown, clandestine, underground) | |
| restricted(adjective, clandestine, underground, surreptitious) | |
| retired(obscure, deep, unknown, clandestine, underground) | |
| secluded(obscure, unknown, clandestine, underground) | |
| secretive(clandestine, underground) | |
| sneak(clandestine, underground) |
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| APA | Smart Define. (2016). ambiguous thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/ambiguous/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "ambiguous thesaurus" https://smartdefine.org/ambiguous/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2016, ambiguous thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/ambiguous/thesaurus/synonyms>. |
| MLA | Smart Define. "ambiguous thesaurus" 29 March 2016. Web. 25 September 2026. <https://smartdefine.org/ambiguous/thesaurus/synonyms> |