- Definitions|2
- Thesaurus|246
- Abbreviations|0
24 entries under dark topic. ×
| oracular(adjective, uncertain, mysterious, prediction) | |
| cryptic(adjective, uncertain, mysterious, unfathomable) | |
| inscrutable(adjective, solid, uncertain, mysterious) | |
| mysterious(adjective, solid, uncertain, dense) | |
| occult(adjective, uncertain, mysterious, psychic) | |
| incomprehensible(adjective, solid, uncertain, mysterious) | |
| recondite(uncertain, mysterious) | |
| Delphian(adjective, uncertain, mysterious, prophetic) | |
| inexplicable(adjective, solid, uncertain, mysterious) | |
| obscure(solid, uncertain, mysterious, dense) | |
| perplexing(uncertain, mysterious, unfathomable, impenetrable) | |
| puzzling(uncertain, mysterious, unfathomable, impenetrable) | |
| secret(uncertain, mysterious) | |
| unfathomable(solid, uncertain, mysterious, dense) | |
| unintelligible(solid, uncertain, mysterious, dense) | |
| ambiguous(uncertain, mysterious) | |
| doubtful(uncertain, mysterious) | |
| equivocal(uncertain, mysterious) | |
| indecipherable(uncertain, mysterious) | |
| sphinxlike(uncertain, mysterious) |
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| APA | Smart Define. (2015). sibylline thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/sibylline/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sibylline thesaurus" https://smartdefine.org/sibylline/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, sibylline thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/sibylline/thesaurus/synonyms>. |
| MLA | Smart Define. "sibylline thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/sibylline/thesaurus/synonyms> |