- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
91 entries under mysterious topic. ×
| deep(adjective, hard, evil, obscure, humble) | |
| perplexing(adjective, obscure, difficult, dark, strange) | |
| concealed(adjective, cover, evil, obscure, difficult) | |
| inexplicable(adjective, obscure, dark, strange, uncertain) | |
| indecipherable(adjective, dark, uncertain, unintelligible) | |
| oracular(adjective, obscure, dark, uncertain, doubtful) | |
| secretive(adjective, obscure, strange, secret) | |
| private(adjective, obscure, reticent, unknown) | |
| sibylline(adjective, dark, uncertain, unfathomable) | |
| uncertain(adjective, obscure, difficult, dark, doubtful) | |
| unintelligible(adjective, obscure, difficult, dark, uncertain) | |
| knotty(adjective, evil, obscure, difficult, sophisticated) | |
| sphinxlike(dark, strange, uncertain, inexplicable) | |
| Delphian(adjective, evil, obscure, dark, uncertain) | |
| anagogic(adjective, evil, deep, secret) | |
| backstairs(close, private, reticent, taciturn) | |
| buttoned up(expression, private, reticent, taciturn) | |
| cagey(private, reticent, taciturn, covert) | |
| clammed up(expression, private, reticent, taciturn) | |
| complicated(adjective, evil, obscure, difficult, sophisticated) |
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| APA | Smart Define. (2016). cryptic thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/cryptic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cryptic thesaurus" https://smartdefine.org/cryptic/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2016, cryptic thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/cryptic/thesaurus/synonyms>. |
| MLA | Smart Define. "cryptic thesaurus" 29 March 2016. Web. 26 September 2026. <https://smartdefine.org/cryptic/thesaurus/synonyms> |