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

Geological surveys identify suitable drilling locations, ensuring agricultural land and groundwater remain unharmed. —Kaif Shaikh, Interesting Engineering, 18 Dec. 2025

Those chemicals, along with boating gas and oil contaminants, could flow back into the creek, nearby wetlands and well groundwater, per the letter. —Claudia Levens, jsonline.com, 16 Dec. 2025

While water used in tunnel boring poses no risk, the environmental risks include groundwater containing petroleum or other contaminants from a gas station or industrial facilities and surface water from the construction site, according to the report. —Stuart Dyos, Nashville Tennessean, 16 Dec. 2025

These companies extract lithium by pumping lithium brine -- a term describing lithium dissolved in saline groundwater -- from underground reservoirs. —Arkansas Online, 16 Dec. 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