41 entries under obscure topic. ×
| arcane(adjective, intimate, secret, private) | |
| esoteric(secret, unknown, clandestine, underground) | |
| undisclosed(unknown, personal, clandestine, underground) | |
| close(intimate, private, unknown, clandestine) | |
| mysterious(unknown, clandestine, underground, undisclosed) | |
| cryptic(unknown, clandestine, underground, undisclosed) | |
| furtive(adjective, secret, unknown, clandestine) | |
| occult(unknown, clandestine, underground, undisclosed) | |
| private(adjective, intimate, secret, unknown) | |
| unrevealed(unknown, clandestine, underground, undisclosed) | |
| backdoor(sensitive, intimate, secret, private) | |
| camouflaged(unknown, clandestine, underground, undisclosed) | |
| closet(noun, intimate, secret, private) | |
| disguised(unknown, clandestine, underground, undisclosed) | |
| on the QT(expression, idiom, sensitive, private) | |
| underground(unknown, clandestine, undisclosed, unrevealed) | |
| unpublished(adjective, unknown, clandestine, underground) | |
| abstruse(unknown, clandestine, underground, undisclosed) | |
| ambiguous(unknown, clandestine, underground, undisclosed) | |
| cloak-and-dagger(secret, unknown, clandestine, underground) |
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| APA | Smart Define. (2015). classified thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/classified/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "classified thesaurus" https://smartdefine.org/classified/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2015, classified thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/classified/thesaurus/synonyms>. |
| MLA | Smart Define. "classified thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/classified/thesaurus/synonyms> |