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

The water sinks into porous soil and replenishes the groundwater. — Ian James, Los Angeles Times, 26 Sep. 2026

More than a quarter of a century ago, her heroic struggle against a utility giant over groundwater contamination became an Oscar-winning Hollywood movie. — Chas Newkey-Burden, TheWeek, 24 Sep. 2026

During the first episode, carbon-dioxide-rich groundwater reacted with olivine, a mineral that formed as magma slowly cooled. — Samantha Mathewson, Space.com, 24 Sep. 2026

The original system circulated groundwater through a heat exchanger in the home’s furnace plenum, but the approach was limited by the temperature of the ground-loop water. — Kaif Shaikh, Interesting Engineering, 23 Sep. 2026

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