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

Some of that water was captured and used to recharge groundwater and fill reservoirs, but much more flowed through creeks and rivers and ultimately out to the Bay. — Valerie Pryor, Mercury News, 19 Aug. 2026

The state's drought phase is determined by a combination of data related to rainfall, stream flows and groundwater levels in monitoring wells. — Alex Kuffner, The Providence Journal, 19 Aug. 2026

Qanat systems Ancient Persian engineers developed qanats to supply communities in dry regions with groundwater. — Atharva Gosavi, Interesting Engineering, 16 Aug. 2026

The ideal location would be a wide area of groundwater flow that tapers into a narrow region. — Idaho Statesman, 15 Aug. 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