79 entries under obscure topic. ×
| unseen(unknown, clandestine, underground, undisclosed) | |
| ways(remote, faraway, far-off) | |
| wide of(expression, remote, isolated, hard-hearted) | |
| yonder(remote, faraway, far-off) | |
| ambiguous(deep, unknown, clandestine, underground) | |
| camouflaged(unknown, clandestine, underground, undisclosed) | |
| classified(unknown, personal, clandestine, underground) | |
| cloak-and-dagger(unknown, clandestine, underground, undisclosed) | |
| cloak and dagger(expression, idiom, unknown, unrevealed) | |
| clouded(unknown, clandestine, underground, undisclosed) | |
| conspiratorial(unknown, clandestine, underground, undisclosed) | |
| mystic(unknown, clandestine, underground, undisclosed) | |
| mystical(unknown, clandestine, underground, undisclosed) | |
| occult(unknown, clandestine, underground, undisclosed) | |
| on the QT(expression, idiom, unknown, clandestine) | |
| underground(unknown, clandestine, undisclosed, unrevealed) | |
| unintelligible(deep, unknown, clandestine, underground) | |
| unrevealed(unknown, isolated, clandestine, underground) | |
| veiled(unknown, clandestine, underground, undisclosed) |
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| APA | Smart Define. (2015). retired thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/retired/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "retired thesaurus" https://smartdefine.org/retired/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, retired thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/retired/thesaurus/synonyms>. |
| MLA | Smart Define. "retired thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/retired/thesaurus/synonyms> |