A really fast thesaurus... with lots of synonyms.
Septic tank has 12 synonyms. The top synonyms for septic tank are sink, quagmire, sewer, swamp, sump, mire, marsh, bog and 4 more. Another word for septic tank is sink. Browse the full list below.
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| Random | DefinitionA common synonym for septic tank is sink. Other synonyms include quagmire, sewer, swamp, sump.
Septic tank has 12 synonyms listed on Thesaurasize.
°A small-scale watertight treatment system for domestic sewage in which the flow is slowed to allow sedimentation and sludge digestion by bacteria to take place.
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