| sluice | |
| slush | |
| squash | |
| stagnant water | |
| standing water | |
| still water | |
| swale | |
| swampland | |
| taiga | |
| tank | |
| tarn | |
| tidal pond | |
| volcanic lake | |
| wallow | |
| water hole | |
| water pocket | |
| well | |
| basin | |
| catchbasin | |
| cess |
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| APA | Smart Define. (2015). sump thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sump/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sump thesaurus" https://smartdefine.org/sump/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, sump thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sump/thesaurus/synonyms>. |
| MLA | Smart Define. "sump thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/sump/thesaurus/synonyms> |