- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
66 entries under mysterious topic. ×
| eerie(obscure, deep) | |
| evil(adjective, threatening, nefarious, spooky) | |
| forbidding(adjective, evil, threatening, nefarious) | |
| foul(adjective, evil, threatening, nefarious) | |
| frowning(adjective, evil, threatening, nefarious) | |
| glowering(adjective, evil, threatening, nefarious) | |
| glum(adjective, evil, threatening, nefarious) | |
| hellish(adjective, evil, threatening, nefarious) | |
| horrible(adjective, evil, threatening, nefarious) | |
| 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) | |
| psychic(obscure, deep) | |
| satanic(adjective, evil, threatening, nefarious) | |
| scowling(adjective, evil, threatening, nefarious) | |
| secret supernatural(expression, obscure, deep) | |
| sinful(adjective, evil, threatening, nefarious) |
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| APA | Smart Define. (2015). abstruse thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/abstruse/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "abstruse thesaurus" https://smartdefine.org/abstruse/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, abstruse thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/abstruse/thesaurus/synonyms>. |
| MLA | Smart Define. "abstruse thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/abstruse/thesaurus/synonyms> |