- Definitions|2
- Thesaurus|360
- Abbreviations|0
30 entries under nightmare topic. ×
| abyss(noun, activity, element, torment, misery) | |
| inferno(noun, ruin, misery, punishment, grave) | |
| Hades(noun, ruin, misery, punishment, agony) | |
| perdition(noun, misery, punishment, grave, agony) | |
| nether world(noun, expression, idiom, misery, punishment) | |
| purgatory(noun, ruin, misery, punishment, grave) | |
| Pandemonium(noun, misery, grave, hell) | |
| pit(noun, ruin, misery, punishment, agony) | |
| bottomless pit(noun, expression, misery, punishment, agony) | |
| infernal regions(noun, expression, misery, punishment, agony) | |
| lower world(noun, expression, misery, punishment, agony) | |
| Gehenna(noun, ruin, misery, punishment, agony) | |
| limbo(noun, difficulty, misery, grave, agony) | |
| place of torment(noun, expression, idiom, misery, punishment) | |
| Abaddon(noun, ruin, misery, punishment, agony) | |
| affliction(noun, ruin, misery, punishment, grave) | |
| agony(noun, difficulty, misery, grave) | |
| anguish(noun, difficulty, misery, grave, agony) | |
| blazes(noun, difficulty, misery, grave) | |
| difficulty(noun, misery, trial, grave) |
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| APA | Smart Define. (2015). underworld thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/underworld/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "underworld thesaurus" https://smartdefine.org/underworld/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, underworld thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/underworld/thesaurus/synonyms>. |
| MLA | Smart Define. "underworld thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/underworld/thesaurus/synonyms> |