groundwater

noun

ground·​wa·​ter ˈgrau̇nd-ˌwȯ-tər 

-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

Research has shown that groundwater overextraction to meet agricultural demand is one of the leading drivers of Urmia's shrinkage. —Amir Daftari, MSNBC Newsweek, 10 Sep. 2025

And what surprised me most was a finding that groundwater depletion now contributes even more to sea level rise than does the meltwater from ice on Greenland or Antarctica. —Shaun McKinnon, AZCentral.com, 9 Sep. 2025

Another is that undersea groundwater that seeps out to the seafloor may supply nutrients vital to the ecosystem, and that could be upset. —Rodrique Ngowi, Fortune, 7 Sep. 2025

As reservoirs shrink, groundwater dries up and rainy seasons become more erratic, some believe one answer to this crisis lies in the reservoirs of moisture in our skies. —Laura Paddison, CNN Money, 6 Sep. 2025

Word History

First Known Use

circa 1889, in the meaning defined above

Rhymes for groundwater

• backwater
• bathwater
• blackwater
• breakwater
• deepwater
• edgewater
• feedwater
• floodwater
• freshwater
• granddaughter
• headwater
• manslaughter

Kids Definition

groundwater

noun

ground·​wa·​ter ˈgrau̇n-ˌdwȯt-ər 

-ˌdwät-

: water within the earth that supplies wells and springs