Dictionary.com
Thesaurus.com

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.

Behnam Bakhshi, the spokesperson for Tehran Province’s state-run water and wastewater company, said recently that “all executive bodies, organizations, and public institutions—both governmental and nongovernmental—are required to install water-saving equipment and manage water consumption.”

From The Wall Street Journal • May 28, 2026

The EA said the "most ambitious option" tested involved removing all wastewater, including from septic tanks.

From BBC • May 20, 2026

Several fire survivors in this situation told The Times that they feel torn between planning for an upgrade to county-run sewers, or just moving ahead with rebuilding and improving their onsite wastewater systems.

From Los Angeles Times • May 15, 2026

“The nitrogen cycle, phosphorus cycle, carbon cycle—these fundamental reactions are happening across the globe, but in a wastewater plant it’s happening on steroids,” he said.

From The Wall Street Journal • May 14, 2026

“Dusty’s crew didn’t pump the wastewater into the basin. They hooked up to a sewer tank onshore.”

From "Flush" by Carl Hiaasen

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "wastewater" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com