wastewater

noun

waste·​wa·​ter ˈwāst-ˌwȯ-tər 

-ˌwä-

: water that has been used (as in a manufacturing process) : sewage

Examples of wastewater in a Sentence

Recent Examples on the Web

Their proof-of-concept design essentially combines a miniature solar cell, an electrolyzer, and a wastewater treatment system into one device. — New Atlas, 24 Oct. 2026

Treating this salty wastewater is expensive and energy-intensive, so much of it is usually discarded because processing the brine at concentrators costs too much. — Muskan Bhatia, Interesting Engineering, 23 Oct. 2026

Turns out, the site was an environmentally friendly wastewater treatment plant. — Jack Dolan, Los Angeles Times, 22 Oct. 2026

They were brought in to control nuisance algae in wastewater-treatment plants and aquaculture ponds, as well as for human consumption. — Victoria Malloy, Time, 21 Oct. 2026

Word History

First Known Use

15th century, in the meaning defined above

Rhymes for wastewater

• imprimatur
• underwater
• auteur
• blotter
• cotter
• daughter
• hotter
• mater
• otter
• plotter
• rotter
• slaughter