- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
91 entries under mysterious topic. ×
| foul(adjective, evil, threatening, nefarious) | |
| frowning(adjective, evil, threatening, nefarious) | |
| glowering(adjective, evil, threatening, nefarious) | |
| glum(adjective, evil, threatening, nefarious) | |
| guarded(cover, obscure, dark, private) | |
| hellish(adjective, evil, threatening, nefarious) | |
| horrible(adjective, evil, threatening, nefarious) | |
| hushed(private, reticent, taciturn, covert) | |
| immoral(adjective, evil, threatening, nefarious) | |
| infamous(adjective, evil, threatening, nefarious) | |
| infernal(adjective, evil, threatening, nefarious) | |
| nasty(adjective, evil, threatening, nefarious) | |
| nefarious(adjective, evil, threatening, spooky) | |
| not known(expression, adjective, evil, deep) | |
| reserved(private, reticent, taciturn, uncommunicative) | |
| satanic(adjective, evil, threatening, nefarious) | |
| scowling(adjective, evil, threatening, nefarious) | |
| silent(private, reticent, taciturn, uncommunicative) | |
| sinful(adjective, evil, threatening, nefarious) | |
| stickling(dark, uncertain) |
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| APA | Smart Define. (2016). cryptic thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/cryptic/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "cryptic thesaurus" https://smartdefine.org/cryptic/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, cryptic thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/cryptic/thesaurus/synonyms>. |
| MLA | Smart Define. "cryptic thesaurus" 29 March 2016. Web. 27 September 2026. <https://smartdefine.org/cryptic/thesaurus/synonyms> |