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

Oklahoma has around 130,000 private water wells, essentially straws that drink from shallow groundwater reserves with minimal filtration, increasing the risk of contamination. —Nick Bowlin, The Frontier, 16 Feb. 2026

But Texans also need potable groundwater. —Eleanor Dearman, Fort Worth Star-Telegram, 14 Feb. 2026

This rule also grants additional time for facilities to better design and install groundwater monitoring networks to better assess groundwater quality. —Maya Wilkins, Chicago Tribune, 13 Feb. 2026

Already in recent years CAP has had to cut back to protect reservoir levels in Lake Mead, pushing farmers in Pinal County to reduce plantings and switch to less-sustainable groundwater. —Brandon Loomis, AZCentral.com, 13 Feb. 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