groundwater

noun

ground·​wa·​ter ˈgrau̇nd-ˌwȯ-tər How to pronounce groundwater (audio)
-ˌwä-
: water within the earth especially that supplies wells and springs

Examples of groundwater in a Sentence

There were concerns about contaminated groundwater.
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.
Research has shown the likelihood of the gas contaminating soil and groundwater is low. Dorany Pineda, Fortune, 2 May 2026 Decades of groundwater pumping and urban development over an ancient lake bed have caused subsidence exceeding 39 feet, damaging the subway, water systems and iconic monuments. Megan Janetsky, Los Angeles Times, 1 May 2026 One landscape preserves traces of surface water in lakes and rivers; the other exposes the mineral fingerprints of groundwater moving through rock. Samantha Mathewson, Space.com, 1 May 2026 Research has shown the likelihood of the gas contaminating soil and groundwater is low. ABC News, 1 May 2026 See All Example Sentences for groundwater

Word History

First Known Use

circa 1889, in the meaning defined above

Time Traveler
The first known use of groundwater was circa 1889

Browse Nearby Words

Cite this Entry

“Groundwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/groundwater. Accessed 12 May. 2026.

Kids Definition

groundwater

noun
ground·​wa·​ter ˈgrau̇n-ˌdwȯt-ər How to pronounce groundwater (audio)
-ˌdwät-
: water within the earth that supplies wells and springs

More from Merriam-Webster on groundwater

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