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

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

The wave pool would be expected to use 28 million gallons of water annually, 15 million to be returned to the Orange County Water District supply via groundwater replenishment system, Schaffner said. —Laylan Connelly, Oc Register, 5 Sep. 2025

The Arizona Legislature opened the door for developers to use more groundwater in the Phoenix exurbs by taking over farmers' allocations. —Shaun McKinnon, AZCentral.com, 2 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