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 chemicals contaminated groundwater near military bases, airports and other locations where the foam was used to extinguish fires. — CBS News, 4 Nov. 2026

Not only would this have led to liquid water covering much of the Martian surface, but when lava bubbled through the Martian crust and met groundwater, warm habitable niches ideal for microbial life could have been forged. — Robert Lea, Space.com, 4 Nov. 2026

These included regulations around groundwater pumping and a shift toward alternative surface water sources. — Sanidhya Sharma, Scientific American, 30 Oct. 2026

Beale scrapped the pipeline, and the county government approved a well letting Project Blue draw up to 31 million gallons of groundwater a year. — Gaby Del Valle, The Verge, 29 Oct. 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