75 entries under obscure topic. ×
| concealed(adjective, hard, evil, meaning) | |
| highbrow(adjective, smart, bright, rational) | |
| cabalistic(adjective, hard, evil, humble) | |
| hermetic(adjective, complex, thoughtful, meaning) | |
| underground(adjective, down, unknown, far) | |
| Orphic(adjective, complex, thoughtful, meaning) | |
| close(adjective, set, strong, solid) | |
| mystic(adjective, hard, evil, heavy) | |
| puzzling(adjective, hard, evil, delicate) | |
| buried(adjective, down, busy, occupied) | |
| unintelligible(adjective, hard, delicate, complex) | |
| vague(weak, pale, faded, puzzling) | |
| academic(adjective, sound, complex, knowledgeable) | |
| acroamatic(complex, thoughtful, mysterious, weird) | |
| ambiguous(unknown, clandestine, underground, undisclosed) | |
| covered(unknown, clandestine, underground, undisclosed) | |
| enigmatical(hard, delicate, complex, unknown) | |
| invisible | |
| out-of-the-way(adjective, humble, distant, remote) | |
| pedantic(sound, complex, knowledgeable, cultured) |
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| APA | Smart Define. (2016). deep thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/deep/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "deep thesaurus" https://smartdefine.org/deep/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2016, deep thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/deep/thesaurus/synonyms>. |
| MLA | Smart Define. "deep thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/deep/thesaurus/synonyms> |