- Definitions|2
- Thesaurus|269
- Abbreviations|0
| Acheronian(adjective, dark, gloomy, dim) | |
| gloomy(adjective, dark, dim, depressing) | |
| bad(dark, dim, depressing) | |
| cold(dark, dim, depressing) | |
| depressing(dark, gloomy, dim, joyless) | |
| depressive(dark, gloomy, dim, depressing) | |
| desolate(dark, dim, depressing) | |
| discouraging(dark, dim, depressing) | |
| disheartening(dark, dim, depressing) | |
| dispiriting(dark, gloomy, dim, depressing) | |
| drab(dark, dim, depressing) | |
| dreary(dark, dim, depressing) | |
| dull(dark, dim, depressing) | |
| dusky(dark, dim, depressing) | |
| lugubrious(dark, dim, depressing) | |
| morose(dark, dim, depressing) | |
| oppressive(dark, dim, depressing) | |
| saddening(dark, gloomy, dim, depressing) | |
| tenebrific(dark, dim, depressing) |
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| APA | Smart Define. (2013). acherontic thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/acherontic/thesaurus/synonyms |
| Chicago | Smart Define. 2013. "acherontic thesaurus" https://smartdefine.org/acherontic/thesaurus/synonyms (accessed September 29, 2026). |
| Harvard | Smart Define 2013, acherontic thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/acherontic/thesaurus/synonyms>. |
| MLA | Smart Define. "acherontic thesaurus" 28 June 2013. Web. 29 September 2026. <https://smartdefine.org/acherontic/thesaurus/synonyms> |