| cesspool(noun, uncleanness, pit) | |
| cesspit | |
| sink(noun, uncleanness) | |
| bog(noun, uncleanness, swamp, marsh) | |
| quagmire(noun, marsh) | |
| fen(noun, marsh) | |
| marsh(noun, marsh) | |
| morass(noun, marsh) | |
| moss(noun, marsh) | |
| sewer | |
| slough(noun, marsh) | |
| cistern | |
| drain | |
| marish | |
| mud | |
| pool | |
| reservoir | |
| septic tank(noun, system) | |
| sough | |
| swamp(noun, marsh) |
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| APA | Smart Define. (2015). sump thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sump/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sump thesaurus" https://smartdefine.org/sump/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, sump thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sump/thesaurus/synonyms>. |
| MLA | Smart Define. "sump thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/sump/thesaurus/synonyms> |