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wastewater

American  
[weyst-waw-ter, -wot-er] / ˈweɪstˌwɔ tər, -ˌwɒt ər /

noun

  1. water that has been used in washing, flushing, manufacturing, etc.; sewage.


Etymology

Origin of wastewater

1400–50; late Middle English waste watre

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The lough has been blighted by potentially toxic blue-green algal blooms since 2023, due to pollution primarily from agriculture and wastewater.

From BBC Jun. 27, 2026

This advantage is especially important as India's wastewater treatment market continues to grow.

From Science Daily Jun. 12, 2026

Some of Amazon’s data centers use treated wastewater rather than drinking water.

From The Wall Street Journal Jun. 11, 2026

In Memphis, xAI had said it would build a water recycling plant that can reuse wastewater, instead of relying on the region’s aquifer, which provides drinking water for residents.

From Barron's Jun. 5, 2026

Although a decontamination process could remove some of the radioactive isotopes from the water, it couldn’t clean all of it, so most of the wastewater was stored in tanks.

From "Meltdown" by Deirdre Langeland

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