wastewater

noun

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

Examples of wastewater in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Public works employees transitioned to manual operations, allowing water and wastewater services to continue without any interruption to service. Nicole Sganga, CBS News, 31 July 2026 County staff were able to recover about 8,000 gallons of wastewater using a vac truck, the report said. Ryan Ballogg, Miami Herald, 30 July 2026 Property owners receiving water and wastewater services from the city can expect to receive a notice in August. Jennah Pendleton, Sacbee.com, 29 July 2026 Some are recycling wastewater and limiting when people can water their lawns, while others are desalinating ocean water. Swasti Singhai, USA Today, 26 July 2026 See All Example Sentences for wastewater

Word History

First Known Use

15th century, in the meaning defined above

Time Traveler
The first known use of wastewater was in the 15th century

Browse Nearby Words

Cite this Entry

“Wastewater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wastewater. Accessed 3 Aug. 2026.

More from Merriam-Webster on wastewater

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster