Synonyms of 'sewage'
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Effluent is liquid waste material that comes out of factories or sewage works.
The effluent from the factory was dumped into the river.
Excrement is the solid waste that is passed out of a person or animal's body through their bowels.
The tunnel stank of excrement.
Thesaurus for sewage from the Collins English Thesaurus
Sewage is waste matter such as faeces or dirty water from homes and factories , which flows away through sewers.