- Definitions|2
- Thesaurus|2.5k
- Abbreviations|0
50 entries under nefarious topic. ×
| glum(adjective, evil, threatening, spooky) | |
| hellish(adjective, evil, threatening, spooky) | |
| immoral(adjective, evil, threatening, spooky) | |
| infamous(adjective, evil, threatening, spooky) | |
| nasty(adjective, evil, threatening, spooky) | |
| satanic(adjective, evil, threatening, spooky) | |
| scowling(adjective, evil, threatening, spooky) | |
| sulky(adjective, evil, threatening, spooky) | |
| sullen(adjective, evil, threatening, spooky) | |
| upset(adjective, evil, threatening, spooky) |
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| APA | Smart Define. (2016). mysterious thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mysterious/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "mysterious thesaurus" https://smartdefine.org/mysterious/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, mysterious thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mysterious/thesaurus/synonyms>. |
| MLA | Smart Define. "mysterious thesaurus" 24 February 2016. Web. 27 September 2026. <https://smartdefine.org/mysterious/thesaurus/synonyms> |